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celzero

Anti-censorship and anti-surveillance tools for Android

Verified
We've verified that the organization celzero controls the domain:
- celzero.com
Learn more about verified organizations

510 followers
https://celzero.com
@rethinkdns
@rdns@mastodon.social
hello@celzero.com

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Overview
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rethink-apprethink-appPublic
DNS over HTTPS / DNS over Tor / DNSCrypt client, WireGuard proxifier, firewall, and connection tracker for Android.
Kotlin 5.3k 315
firestackfirestackPublic
Userspace wireguard and network monitor
Go 172 33
docsdocsPublic
API, Manual, Tutorial for RethinkDNS + Firewall
JavaScript 66 45
midwaymidwayPublic
A rudimentary middleware for port 80 and port 443 over tcp
Go 32 7

Repositories

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Showing 10 of 11 repositories

otp Public
Serverless Magic Links and Magic Codes for Auth
celzero/otp's past year of commit activity
JavaScript 8MPL-2.0 1 2 6 Updated Aug 9, 2026
rethink-app Public
DNS over HTTPS / DNS over Tor / DNSCrypt client, WireGuard proxifier, firewall, and connection tracker for Android.
celzero/rethink-app's past year of commit activity
Kotlin 5,250Apache-2.0 315 596 19 Updated Aug 9, 2026
downloads Public
Powers dl.rethinkdns.com that hosts the apk, blocklists, and the db-ip.com geo-ip drops
celzero/downloads's past year of commit activity
JavaScript 8MPL-2.0 3 2 15 Updated Aug 9, 2026
firestack Public
Userspace wireguard and network monitor
celzero/firestack's past year of commit activity
Go 172MPL-2.0 33 22 2 Updated Aug 9, 2026
docs Public
API, Manual, Tutorial for RethinkDNS + Firewall
celzero/docs's past year of commit activity
JavaScript 66MPL-2.0 45 8 (1 issue needs help) 14 Updated Aug 8, 2026
redir Public
Redirects for 3p
celzero/redir's past year of commit activity
JavaScript 0MPL-2.0 0 3 7 Updated Aug 4, 2026
midway Public
A rudimentary middleware for port 80 and port 443 over tcp
celzero/midway's past year of commit activity
Go 32MPL-2.0 7 5 3 Updated Jul 2, 2026
.allstar Public
OSSF AllStar sets and enforce security policies
celzero/.allstar's past year of commit activity
1 1 0 0 Updated Dec 4, 2025
gotrie Public
A golang reader for a in-house, modified stevehanov's succinct trie implementation (http://stevehanov.ca/blog/?id=120) serialized to uint16 instead of base64.
celzero/gotrie's past year of commit activity
Go 5MPL-2.0 3 4 0 Updated Mar 14, 2025
serverless-dns Public archive
celzero/serverless-dns's past year of commit activity
JavaScript 12 4 3 0 Updated Jul 20, 2021

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