01Open source
Repos
Open-source repos worth knowing, by the problem they take on.
Privacy
Ghostline
Ghostline is a Go-based Windows app that encrypts DNS traffic and bypasses DPI via zapret2 or GoodbyeDPI.
Crest
Crest is a Swift open source browser for Mac, iPhone, and iPad that separates work, home, research, and private browsing into isolated Spaces.
Hushfacebook
HushFacebook is a Java Morphe patch bundle for Android that removes ads and suggested posts from Facebook 581.0.0.45.58 while adding video saving.
starling
Starling is a JavaScript end-to-end encrypted location-sharing service with no accounts or tracking, now available on Android via F-Droid.
Snitch
Snitch is a Python real-time network traffic visualizer that shows every connection your computer makes, which app is responsible.
LG TV Blocklist
Curated DNS blocklist for LG webOS TV telemetry, ads and phone-home traffic (safe + strict tiers)
WM Keyboard
A modern, privacy-first Android keyboard: offline intelligence, 350+ languages, themes, tools and an addon ecosystem.
GoLiveBypass
GoLiveBypass — Equicord/Vencord plugin that restores Go Live & camera for Brazilian Discord users by booting the session behind a non-BR proxy (Tor or tested free proxy). Privacy and anti-censorship tool.
Health Workbench
A local family health record app for macOS and Windows that organizes NHI "Health Wallet" and Apple Health exports into a searchable, cumulative archive for medical consultations. Fully offline, no account required, no cloud uploads.
Phorminx Dictation
A local-first Windows application for dictation and meeting transcription, with searchable notes, optional local AI formatting and private model management.
Data Deidentification
Pure client-side document anonymization tool: auto-detects PII in PDF/Word/Excel/TXT/Markdown with masked previews, manual review, and CSV-based restoration. Data never leaves your computer.
Candy Browser
Gesture-first Android browser with Material 3 Expressive design and local privacy tools
Nulltrace Privacy Toolkit
Nulltrace is a local-first privacy toolkit that maps personal data against 400+ brokers, queues CCPA/GDPR deletion requests, and checks for password breaches. It is notable for keeping all data on the user's machine without requiring an account.
Compartment Agentic Memory
Compartment is an encrypted, fully offline memory vault for AI agents that works with tools like Claude Code and Cursor. It is notable for providing persistent, cross-session agent memory with no network or API requirements.
Echo Dot Linux
techo5-dot replaces the Amazon Echo Dot's Fire OS with Alpine Linux, turning it into a local Home Assistant voice satellite. It is notable for eliminating Amazon's cloud and Alexa while preserving all seven microphones.
Cinekive Cinematic Archive
Cinekive is a local desktop app for filmmakers that uses semantic search to find cinematic frames by mood, technique, or director. It is notable for combining computer vision with a privacy-focused, local-only architecture.
macOS Debloat CLI
mac-os-debloat is a terminal utility that disables 296 non-essential macOS services to free up resources. It is notable for its SIP-safe approach, zero dependencies, and focus on reducing telemetry and system bloat.
SubnetDesk Remote Desktop
SubnetDesk is a fork of RustDesk focused exclusively on remote desktop within local networks and VPNs. It is notable for removing all public cloud, relay, and account dependencies to enhance privacy for homelab users.
Mufy Batch Export
mufy-batch-export is an open-source toolkit for exporting and archiving Mufy chat data into formats like Markdown, JSON, and EPUB. It is notable for enabling data portability and offline reading from a proprietary platform.
PGPony Android
An Android OpenPGP app for on-device encryption, decryption, signing, and key management, including NFC hardware security key support. The FOSS build has no Google services, ads, analytics, or tracking.
Prism Browser
A local-first, open-source Chromium/Electron browser that manages multiple isolated profiles with independent cookies, caches, extensions, proxies, and fingerprint settings. The Community edition is free with unlimited local environments and stores data only on the user's device.
Magpie Local Search
A desktop launcher for on-device semantic search across GitHub stars, local files, images, bookmarks, and history. It is built with Rust/Tauri, avoids full-disk scanning, and keeps all data local.
Aperod Node
A Go-based Layer-1 blockchain providing RingCT and CLSAG confidential transactions for P2P payments, Telegram Mini-Apps, and Web3 games. It uses a permissionless BFT-PoS consensus and dynamic base-fee burn.
FlipDeFlock Detector
A Flipper Zero app paired with an ESP32 to passively detect ALPR cameras, acoustic sensors, police body cameras, drones, and BLE trackers over Wi-Fi and BLE. It decodes drone Remote ID including operator position and maps/geotags findings.
Desert Ant SDK
On-device AI SDKs for Swift, Kotlin, and JavaScript that run small text, audio, and image models locally via Core ML, LiteRT, and WebAssembly. Data stays on device across Apple, Android, and browser platforms.
Rizzo PII Guard
A local-first anonymization tool using a 0.3B Italian-first token-classification model to detect 22 personal data categories, including Italian legal identifiers, before sharing documents with LLMs. It performs reversible anonymization and is CPU-friendly.
Atria WHOOP Companion
Atria is an open-source, local-first iOS app and BLE research toolkit that reads compatible WHOOP straps over Bluetooth without a WHOOP account or cloud. It provides live heart rate, strain, sleep/workout evidence, and HealthKit export for privacy-focused strap owners.
AlterSend File Transfer
AlterSend sends files directly between devices over the internet with no cloud storage, accounts, or size limits. It uses peer-to-peer transfer with end-to-end encryption, though encryption details are not fully documented.
Neantik Antidetect Browser
NeAntik is an open-source, local-first antidetect browser for Apple Silicon Macs that runs a built-in Chromium with separate profiles, proxies, and Keychain storage. It requires no account, cloud, or telemetry and is intended for session isolation, privacy, development, and QA.
Bare Browser
Bare is a de-Googled Chromium build for Android that strips Google tracking, telemetry, and AI integration while retaining extensions and uBlock Origin. It adds background playback, media saving, and download manager choice, implemented as a patch series.
Relay Reverse Tethering
Relay shares an Android phone's internet connection with a Windows PC via reverse tethering over an encrypted WireGuard tunnel. It requires no root, server, or account.
PureSnitch Firewall
PureSnitch is a free, open-source macOS application firewall using pf-based blocking, DNS over HTTPS, and a SwiftUI rules manager. It is a signed, notarized Little Snitch alternative with no telemetry or subscription.
Personal Model Builder
Personal Model is an open-source, local-first long-term memory runtime that builds an evidence-linked HUMAN.md from Mac activity for Claude Code, Codex, and Cursor Agent. It gives AI tools inspectable context while keeping data private and user-controlled.