This is a curated list of innovative, open web technologies.

Table of Contents:

• Applications
  • Communication
    • Chat
    • Microblog
    • Forum
    • Mail
  • Webtops / Web OSes
  • AI Platforms
    • Chat UIs
    • Agents
    • Search / Research
  • Devops
  • General
    • Graphics and Design
    • Identity and Authentication
    • Storage
  • Infrastructure
• Protocols and Specifications
  • Communication
    • Chat
    • Microblog
  • Webtops / Web OSes
  • Devops
  • General
    • Database
    • Identity and Authentication
    • Storage
    • Monetization
  • Infrastructure
    • DNS

• Commune – Community platform, specifically designed for public-by-default communities.
• positive-intentions: chat – Decentralized chat app for messaging, file sharing, and virtual reality experiences.
• Revolt – User-first chat platform inspired by Discord.

• Hometown – A supported fork of Mastodon that provides local posting and a wider range of content types.
• Kitsune – (Fast) ActivityPub-federated microblogging.
• Mastodon – A decentralized microblogging platform built on ActivityPub.
• Memos – Privacy-first, lightweight note-taking service with multi-tenancy and sharing capabilities.

• Answer – A Q&A platform software for teams at any scales.
• Bonfire – Social networking toolkit for crafting digital spaces that empower communities.
• Flarum – Modern and fast community platform and framework.
• kbin – A federated platform for content aggregation and microblogging.
• Mbin – A community-focused fork of kbin including many improvements.
• Lemmy – Link aggregator and forum for the fediverse, like Reddit.

• Maddy – Composable all-in-one mail server.
• Stalwart – Secure & modern all-in-one mail server (IMAP, JMAP, POP3, SMTP).

• anuraOS – A web "OS" and development environment with full Linux emulation.
• daedalOS – Browser-based desktop environment with many features.
• FriendOS – A responsive desktop environment that runs in the browser, allowing to work and play, collaboratively, across devices.
• kodbox – Webtop providing a file manager, code editor, and collaboration features.
• OS.js – JavaScript Web Desktop Platform.
• Pluto – Minimal and functional Webtop.
• Puter – Full-featured Internet OS.

• ChatBSV – AI chat and microservices in exchange for tiny Bitcoin microtransactions.
• Chatlabs – All-in-one LLM chat platform based on Chatbot UI v2.
• HackerGPT – Ethical hacking AI for web application hacking (based on Chatbot UI v2).
• Hugging Face Chat UI – Open source codebase powering the HuggingChat app.
• LibreChat – Enhanced ChatGPT clone supporting many AI backends.
• Open WebUI – User-friendly WebUI for LLMs (formerly Ollama WebUI).
• Samurai – AI chat for every model (based on Chatbot UI v2).

• OpenDevin – Platform for autonomous AI software engineers.

• Perplexica – An open source Perplexity AI clone utilizing SearXNG for search (supports Ollama).

• Forgejo – Self-hostable lightweight software forge (soft fork of Gitea by independent Codeberg e.V.).
• Gitea – Painless self-hosted all-in-one software development service.

• Penpot – Design tool that bridges the gap between designers and developers.

• Authelia – Single Sign-On Multi-Factor portal for web apps.
• Rauthy – OpenID Connect Single Sign-On Identity & Access Management.
• Weird – A decentralized web persona builder and identity provider.

• Garage – An open-source distributed object storage service tailored for self-hosting.

• boringproxy – Simple tunneling reverse proxy with a fast web UI and auto HTTPS. Designed for self-hosters.
• Seabreeze – A really simple container orchestration tool with superpowers, optimized for the management of web applications.

• Matrix – An open protocol for decentralised, secure communications.
• Polyproto – Advanced, secure and scalable protocol for federated chat services.
• XMPP – An open protocol for real-time messaging and presence.

• Nostr – A truly censorship-resistant alternative to Twitter. Controversial.

• web-os-spec – Specification for the protocol handler web+os.

• ForgeFed – Federation protocol for software forges and code collaboration tools.

• GUN – An open source cybersecurity protocol and ecosystem of tools for syncing decentralized graph data.

• OAuth 2.0 – An open standard for access delegation, commonly used for token-based authentication.
• IndieAuth – An identity layer on top of OAuth 2.0, primarily used to obtain an OAuth 2.0 Bearer Token for use by Micropub clients.

• Earthstar – Specification and JavaScript library for a small and resilient distributed storage protocol.
• IPFS – A set of composable, peer-to-peer protocols for addressing, routing, and transferring content-addressed data in a decentralized file system.
• Iroh – A protocol for syncing bytes of any size across any number of devices, and a toolkit for building distributed apps.
• Noosphere – A protocol for thought, defining a worldwide knowledge graph on top of IPFS.
• Solid – A specification that lets people store their data securely in decentralized data stores.
• Willow – Lightweight protocol for peer-to-peer data stores, featuring fine-grained permissions, a keen approach to privacy, and destructive edits.

• Web Monetization API – Allows websites to automatically and passively receive payments from Web Monetization-enabled visitors.

• DomainConnect – Specification for an open DNS delegation protocol.
• NameDrop – Specification for an open, easy-to-implement DNS delegation protocol.