Open-source VS Code / JetBrains AI extension. Point at any local or cloud model, no vendor lock-in.
Free · Apache · VS Code / JetBrains
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Open-source ChatGPT alternative running locally. Free, offline-first, model marketplace.
Free · MIT · MacOS/Win/Linux · OpenAI-compat API
C++ runtime for running LLMs locally on CPU + GPU. The backbone of every privacy-LLM stack.
Free · MIT · C++ · CPU/CUDA/ROCm/Metal
Run open-source LLMs locally — no network, no API key, no telemetry.
Free · MIT · runtime + model weights local
Self-hosted ChatGPT-style frontend. Pairs with Ollama or any OpenAI-compatible API.
Free · MIT · self-host (Docker / source)
Open-source email-alias forwarder (the AnonAddy successor). Self-hostable, accepts crypto.
Free + paid from $1/mo · self-hostable · BTC accepted annual
Email-alias forwarder. Hide your real address from every service.
Free 10 aliases · paid $30/yr unlimited · BTC accepted · self-host option
The original P2P BTC↔fiat exchange. Multisig escrow, desktop app, no KYC.
0.1–0.7% trade fee · multisig + arbitration · SEPA / F2F
Streamlined P2P BTC ↔ fiat. Reputation-gated, no KYC, no custody.
Spread-only · no platform fee · reputation gated
Decentralised P2P XMR exchange. Open-source successor to Bisq for Monero.
1% taker fee · trade-specific spread · multisig escrow
Decentralised XMR↔fiat P2P. Haveno fork operated independently, multi-sig escrow.
~1% taker · trade-specific spread · on-chain multisig
The reference setup. Five minutes on any VPS or home server; trustless wallet operation.
Free · hardware cost only
Solo-built indie search engine for the non-commercial web. Surfaces forums, wikis, personal sites Google buried.
Free · AGPL · Java · self-hostable
Privacy-respecting metasearch. Aggregates 70+ engines locally on your server.
Free · AGPL · Docker / source
Self-hosted Google proxy. Get Google's results without the tracking, ads, or AMP.
Free · MIT · Python / Docker · self-hostable
Crypto checkout widget for merchants — XMR / BTC / LN / USDT, no KYC.
Per-tx fee 0.5-1% · BYOK or managed routing
Open-source TOTP/HOTP for Android — encrypted local vault, exportable backups.
Free · GPLv3
Open-source cloud password manager. Optional self-host.
Free tier · paid $10/yr · self-host free
Peer-to-peer messenger over Tor, Bluetooth, or Wi-Fi. No servers, no metadata.
Free · F-Droid + Play Store · Android primary
Encrypted-in-browser real-time office suite. Documents, sheets, slides — server never sees plaintext.
Free · AGPL · self-host or cryptpad.fr public
Federated E2E chat. Self-hostable, open-source, hosts most XMR/privacy community rooms.
Free · federated · self-hostable · clients on all platforms
Privacy-respecting YouTube desktop client. No Google account, no ads, downloads + Sponsorblock built in.
Free · AGPL · MacOS/Win/Linux
End-to-end encrypted messaging over Nostr relays. PGP-encrypted payloads, no accounts, no servers, no logs.
Free · MacOS/Win/Linux/Web · PGP over Nostr
Offline, file-based password vault. No cloud, no account.
Free · GPLv3
Self-hostable Bitcoin block + mempool explorer. Reference UX for inspecting on-chain activity.
Free · self-hostable · public + Tor mirror
P2P file-share over Tor onion services. No third-party hosting.
Free · GPLv3
Encrypted-in-browser pastebin. The server never sees plaintext. Self-host on a $4 VPS.
Free · PHP · self-host or public instances
Security-via-compartmentalisation desktop OS. Every app runs in its own Xen VM.
Free · GPLv2
Newsroom-grade anonymous-source submission system. Run by ~70 outlets (NYT, WaPo, ProPublica, Guardian).
Free · audited · run by ~70 newsrooms
Decentralised messenger with no user IDs at all. The only major messenger that doesn't identify users.
Free · open-source · self-hostable relays
E2E-encrypted notes app. Open-source, audited, accepts crypto on paid tiers.
Free · paid from $90/yr · BTC/XMR · self-host option
The reference anonymity browser. Bundled with Tor + NoScript + safe defaults.
Free · GPLv3
Open-source Rust reimplementation of the Bitwarden server. Self-host the official client backend on a $4 VPS.
Free · Rust · self-host · Bitwarden-client compatible
Full-disk + container encryption with plausible deniability.
Free · Apache 2.0
Two-VM compartmentalisation — workstation never sees the public internet.
Free · GPL
Reference XMR desktop wallet — full node, hardware wallet support, multisig.
Free · Monero network fees only
BTC desktop wallet with strong privacy tooling — coin control, PayJoin, Whirlpool integration.
Free · Network fees only
Multi-vendor BTC multisig coordinator. Pair Ledger + Trezor + Coldcard + SeedSigner in one wallet.
Free · GPLv3 · Python · multi-vendor multisig
Open-source LN wallet — connect to your own LND/CLN/Eclair node or use embedded LSP.
Free · LN routing fees only when self-hosted
Desktop GUI for local LLMs. Drag-drop GGUF models, OpenAI-compatible local API, no cloud.
Free for personal · MacOS/Win/Linux · localhost API
Privacy-respecting community service — email + nextcloud + matrix.
Free · donation-supported · no payment required
Decentralised BTC CoinJoin — earn yield as a maker, or pay to be a taker.
Maker fees vary (basis points) · BTC network fees
Off-chain BTC payments break the on-chain heuristic trail.
Per-hop routing fees · ~sats
Open-source search engine with its own crawler. Customisable ranking, optional Sidekick LLM integration.
Free · Rust · self-hostable
P2P privacy-focused application framework from Cult of the Dead Cow. Anti-Tor in design — every node also routes.
Free · Rust · P2P framework · alpha
Activist-collective VPN. Free for members of supporting orgs.
Free · donation-supported