
Simple, modern & fast web-based email client

SnappyMail is a lightweight, modern web-based email client built on PHP that prioritizes performance, privacy, and simplicity. As a drastically upgraded fork of RainLoop Webmail, it requires no database, offers snappy performance, and provides an intuitive interface for managing emails across multiple accounts.
SnappyMail is ideal for system administrators, privacy-focused individuals, and organizations seeking a lightweight, self-hosted alternative to cloud-based email clients. It's particularly suited for users who want fast performance on limited bandwidth and full control over their email infrastructure.

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

The Roundcube Webmail suite

A p2p, secure file storage, social network and application protocol

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

General-purpose AI designed for knowledge workers — creators, strategists, and operators — and individuals seeking AI systems they can truly control to help them get work done, with full flexibility to extend and deploy anywhere (VPC, on-prem, or cloud).

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Infisical is the open-source platform for secrets, certificates, and privileged access management.

🎧 Your Personal Streaming Service

A self hosted virtual browser that runs in docker and uses WebRTC.