Peer-to-peer chat app for private text and video conversations without central accounts.
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Peer-to-peer chat app for private text and video conversations without central accounts.
VPN service for encrypted browsing, IP masking, and private internet access.
Private.coffee is a privacy-focused non-profit association that provides privacy-respecting services as alternatives to common commercial offerings. Its services include a Matrix chat server, the CryptPad collaborative editor, PeerTube video hosting, Forgejo Git hosting, BigBlueButton and Jitsi video conferencing, and Travelynx rail journey logging.
Proton VPN is a privacy-focused virtual private network service offered by Proton. It provides fast, secure connections across servers in more than 140 countries, with free and premium Plus plan options. The service operates on a no-logs, no-ads policy, is open-source and independently audited, and supports streaming, device compatibility across desktop, mobile, smart TV, and browser platforms. It also includes tools such as a public IP scanner and censorship simulator.
Open source team chat platform for messaging, collaboration, and self-hosted communication.
Encrypted messenger built on decentralized routing for private chats without phone numbers.
VPN service from AdGuard for encrypted browsing and privacy-focused network access.
Browser-based video meeting service from Brave focused on private calls and meetings.
Communicate with an Android messaging app designed for resilient private communication.
PrivateGPT is an open-source API layer that turns local models into production AI applications, following the Claude API model. It provides a messages API, file and artifact ingestion, retrieval with citations, embeddings and orchestration, and a built-in workbench UI for testing and demos.
RecoverMy.Video is a service that tracks defined YouTube and Dailymotion channel playlists so users are notified by email with the title when a video is deleted or set to private. Videos deleted or made private before registration may be searchable by videoId. The service requires read permissions and cannot modify channels.
SimpleX Chat is a private and encrypted messenger without any user IDs. Users make a private connection via link or QR code to send messages and make calls. Every contact and group is stored on the device rather than in a server's database, and anyone can run servers. From v6.2 the app supports business addresses for customer communication.
AskYourDatabase is a tool for querying SQL databases in natural language, returning SQL, answers, and charts. It supports PostgreSQL, MySQL, SQL Server, BigQuery, Snowflake, and other engines. Offerings include a Windows or macOS desktop app, an embeddable website chatbot, a dashboard builder, and a private deployment option for organizations with hosting or data-handling requirements.
HammerAI is presented as a free and private AI chat and roleplay service. According to the site, it allows chatting with role-playing AI characters, generating images as well as writing stories. The source page displays a UK access block citing Online Safety Act regulations.
Polari is a simple Internet Relay Chat (IRC) client designed to integrate with GNOME. It has a simple, interface intended to keep focus on conversations. It can be used to publicly chat with people in a channel and to hold private one-to-one conversations. Notifications alert users to important messages. The latest version is available from Flathub.
G4F Chat is a conversational AI platform that supports private, customizable conversations using multiple AI providers and models. It includes features such as cloud sync, conversation export, markdown rendering, speech recognition, voice synthesis, custom system prompt configuration and MCP server support.
Matrix-based secure messaging app for encrypted team chats, rooms, and federation.
Distributed communication app for encrypted calls, messages, video, and file sharing.
A cloud GPU password recovery and credential auditing service for data the user owns or is authorized to test. It supports Office, ZIP, PDF, Wi-Fi captures, NTLM and AD hashes, with a free Basic Search and optional paid custom GPU jobs and unlocks. An authenticated REST API and MCP tools are documented. Uploaded files are deleted after hash extraction.
Signal is a messaging application focused on privacy. Its source page describes end-to-end encryption via the open source Signal Protocol, and support for text, voice messages, photos, videos, GIFs, files, voice and video calls and group chats. It is described as free, with no ads or trackers, and as an independent nonprofit.
Telegram is described as a cloud-based mobile and desktop messaging app with a focus on security and speed. It offers apps for iPhone/iPad, Android, PC/Mac/Linux and macOS, and states that messages are heavily encrypted and can self-destruct.
AICamp is a collaborative AI workspace where teams can build custom agents, share prompts and work across multiple language models in one interface. It includes a shared knowledge base, project-based workflows, private groups and usage analytics. It offers a free starter tier and a paid business plan.
AnythingLLM is a free, private AI assistant that runs on the user's device, requiring no accounts or API keys. The page describes document knowledge and a meeting assistant, and states the app is available for macOS, Windows and Linux.