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10 followers · 10 following

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    Achievements

    Achievement: Pull SharkAchievement: Starstruck

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    biscuitrescue/README.md

    biscuitrescue

    I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)

    I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.

    Projects

    Kronos

    Zig
    A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.

    Gatekeep

    Rust
    GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.

    drag

    C++Compilers
    A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.

    Tech Stack

    Languages:
    RustC++ZigPython

    Focus Areas:
    Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure

    GitHub Stats

    Currently learning

    • Writing secure system daemons and privilege separation
    • How real compilers optimize code
    • Designing portable tools for infrastructure and config validation
    • Rewriting tooling and workflows from scratch in Rust, just to understand them better

    Reach me

    Pinned Loading

    1. kronoskronosPublic

      Zig 1

    2. fzplayerfzplayerPublic

      C

    3. gatekeepgatekeepPublic

      Github for SSH keys

      Rust 1

    4. dragdragPublic

      C++ 1

    , 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
     blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
biscuitrescue (Karttikeya Sinha) · GitHub
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    10
followers
 · 10
following

      Achievements
      Achievement: Pull SharkAchievement: Starstruck
      Achievements
      Achievement: Pull SharkAchievement: Starstruck
      
Block or report biscuitrescue

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      biscuitrescue/README.md
      biscuitrescue
      I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)
      I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.
      Projects
      Kronos
      Zig
      
A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.
      Gatekeep
      Rust
      
GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.
      drag
      C++Compilers
      
A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.
      Tech Stack
      Languages:
      RustC++ZigPython
      Focus Areas:
      Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure
      GitHub Stats
      Currently learning
      • Writing secure system daemons and privilege separation
      • How real compilers optimize code
      • Designing portable tools for infrastructure and config validation
      • Rewriting tooling and workflows from scratch in Rust, just to understand them better
      Reach me
      
Pinned
Loading
      1. kronoskronosPublic
        Zig
1

      2. fzplayerfzplayerPublic
        C
      3. gatekeepgatekeepPublic
        
Github for SSH keys

        Rust
1

      4. dragdragPublic
        C++
1

      
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
biscuitrescue (Karttikeya Sinha) · GitHub
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      View biscuitrescue's full-sized avatar
      10
followers
 · 10
following

        Achievements
        Achievement: Pull SharkAchievement: Starstruck
        Achievements
        Achievement: Pull SharkAchievement: Starstruck
        
Block or report biscuitrescue

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        biscuitrescue/README.md
        biscuitrescue
        I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)
        I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.
        Projects
        Kronos
        Zig
        
A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.
        Gatekeep
        Rust
        
GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.
        drag
        C++Compilers
        
A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.
        Tech Stack
        Languages:
        RustC++ZigPython
        Focus Areas:
        Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure
        GitHub Stats
        Currently learning
        • Writing secure system daemons and privilege separation
        • How real compilers optimize code
        • Designing portable tools for infrastructure and config validation
        • Rewriting tooling and workflows from scratch in Rust, just to understand them better
        Reach me
        
Pinned
Loading
        1. kronoskronosPublic
          Zig
1

        2. fzplayerfzplayerPublic
          C
        3. gatekeepgatekeepPublic
          
Github for SSH keys

          Rust
1

        4. dragdragPublic
          C++
1

        
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
biscuitrescue (Karttikeya Sinha) · GitHub
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        View biscuitrescue's full-sized avatar
        10
followers
 · 10
following

          Achievements
          Achievement: Pull SharkAchievement: Starstruck
          Achievements
          Achievement: Pull SharkAchievement: Starstruck
          
Block or report biscuitrescue

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          biscuitrescue/README.md
          biscuitrescue
          I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)
          I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.
          Projects
          Kronos
          Zig
          
A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.
          Gatekeep
          Rust
          
GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.
          drag
          C++Compilers
          
A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.
          Tech Stack
          Languages:
          RustC++ZigPython
          Focus Areas:
          Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure
          GitHub Stats
          Currently learning
          • Writing secure system daemons and privilege separation
          • How real compilers optimize code
          • Designing portable tools for infrastructure and config validation
          • Rewriting tooling and workflows from scratch in Rust, just to understand them better
          Reach me
          
Pinned
Loading
          1. kronoskronosPublic
            Zig
1

          2. fzplayerfzplayerPublic
            C
          3. gatekeepgatekeepPublic
            
Github for SSH keys

            Rust
1

          4. dragdragPublic
            C++
1

          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
biscuitrescue (Karttikeya Sinha) · GitHub
          Skip to content
          View biscuitrescue's full-sized avatar
          10
followers
 · 10
following

            Achievements
            Achievement: Pull SharkAchievement: Starstruck
            Achievements
            Achievement: Pull SharkAchievement: Starstruck
            
Block or report biscuitrescue

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            biscuitrescue/README.md
            biscuitrescue
            I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)
            I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.
            Projects
            Kronos
            Zig
            
A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.
            Gatekeep
            Rust
            
GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.
            drag
            C++Compilers
            
A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.
            Tech Stack
            Languages:
            RustC++ZigPython
            Focus Areas:
            Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure
            GitHub Stats
            Currently learning
            • Writing secure system daemons and privilege separation
            • How real compilers optimize code
            • Designing portable tools for infrastructure and config validation
            • Rewriting tooling and workflows from scratch in Rust, just to understand them better
            Reach me
            
Pinned
Loading
            1. kronoskronosPublic
              Zig
1

            2. fzplayerfzplayerPublic
              C
            3. gatekeepgatekeepPublic
              
Github for SSH keys

              Rust
1

            4. dragdragPublic
              C++
1

            
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
biscuitrescue (Karttikeya Sinha) · GitHub
            Skip to content
            View biscuitrescue's full-sized avatar
            10
followers
 · 10
following

              Achievements
              Achievement: Pull SharkAchievement: Starstruck
              Achievements
              Achievement: Pull SharkAchievement: Starstruck
              
Block or report biscuitrescue

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              biscuitrescue/README.md
              biscuitrescue
              I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)
              I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.
              Projects
              Kronos
              Zig
              
A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.
              Gatekeep
              Rust
              
GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.
              drag
              C++Compilers
              
A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.
              Tech Stack
              Languages:
              RustC++ZigPython
              Focus Areas:
              Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure
              GitHub Stats
              Currently learning
              • Writing secure system daemons and privilege separation
              • How real compilers optimize code
              • Designing portable tools for infrastructure and config validation
              • Rewriting tooling and workflows from scratch in Rust, just to understand them better
              Reach me
              
Pinned
Loading
              1. kronoskronosPublic
                Zig
1

              2. fzplayerfzplayerPublic
                C
              3. gatekeepgatekeepPublic
                
Github for SSH keys

                Rust
1

              4. dragdragPublic
                C++
1

              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
biscuitrescue (Karttikeya Sinha) · GitHub
              Skip to content
              View biscuitrescue's full-sized avatar
              10
followers
 · 10
following

                Achievements
                Achievement: Pull SharkAchievement: Starstruck
                Achievements
                Achievement: Pull SharkAchievement: Starstruck
                
Block or report biscuitrescue

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                biscuitrescue/README.md
                biscuitrescue
                I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)
                I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.
                Projects
                Kronos
                Zig
                
A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.
                Gatekeep
                Rust
                
GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.
                drag
                C++Compilers
                
A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.
                Tech Stack
                Languages:
                RustC++ZigPython
                Focus Areas:
                Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure
                GitHub Stats
                Currently learning
                • Writing secure system daemons and privilege separation
                • How real compilers optimize code
                • Designing portable tools for infrastructure and config validation
                • Rewriting tooling and workflows from scratch in Rust, just to understand them better
                Reach me
                
Pinned
Loading
                1. kronoskronosPublic
                  Zig
1

                2. fzplayerfzplayerPublic
                  C
                3. gatekeepgatekeepPublic
                  
Github for SSH keys

                  Rust
1

                4. dragdragPublic
                  C++
1

                
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
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})();
})();
biscuitrescue (Karttikeya Sinha) · GitHub
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                  biscuitrescue/README.md
                  biscuitrescue
                  I’m Karttikeya. Systems toucher, Nix and nvim enthusiast ;)
                  I'm a Computer Science undergrad at Thapar University with a focus on systems programming. I love lower layers of software like compilers, interpreters, access control systems, and tools that make the developer experience smoother and more secure.
                  Projects
                  Kronos
                  Zig
                  
A high-performance, deterministic filesystem time-machine and data debugger. Built with Merkle-DAGs and Content-Defined Chunking to enable infinite undo and granular data provenance.
                  Gatekeep
                  Rust
                  
GitHub-style access control for SSH servers. Define authorized_keys in TOML, track changes via Git, and sync via a secure daemon. Built from scratch in Rust.
                  drag
                  C++Compilers
                  
A toy compiler and interpreter that explores expression evaluation with a Rust-inspired syntax.
                  Tech Stack
                  Languages:
                  RustC++ZigPython
                  Focus Areas:
                  Systems Programming • Compiler Theory • Cybersecurity • DevOps • Versioned Infrastructure
                  GitHub Stats
                  Currently learning
                  • Writing secure system daemons and privilege separation
                  • How real compilers optimize code
                  • Designing portable tools for infrastructure and config validation
                  • Rewriting tooling and workflows from scratch in Rust, just to understand them better
                  Reach me
                  
Pinned
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                  1. kronoskronosPublic
                    Zig
1

                  2. fzplayerfzplayerPublic
                    C
                  3. gatekeepgatekeepPublic
                    
Github for SSH keys

                    Rust
1

                  4. dragdragPublic
                    C++
1