Tag
41 catalogue entries use this topic; each Project's license policy is labeled separately.
Collaborative whiteboard with a hand-drawn look
Excalidraw's sketchy rendering is not decoration. Diagrams that look provisional invite comment, where a crisp vector diagram signals a decision already made, so it is unusually good at the early part of a design conversation.
Self-hosted BI platform for exploring data and building dashboards
Apache Superset is a self-hosted business intelligence platform for exploring databases and building interactive dashboards with a visual query builder and SQL Lab.
React MDX docs sites with versioning, search, and static output
Docusaurus is a React-based static site generator that turns MDX documents into documentation sites with versioning, translations, and search.
Infinite canvas SDK for building whiteboard apps in React
tldraw is an infinite-canvas SDK that gives any React app a whiteboard with drawing, shapes, rich text, multiplayer sync, and a runtime API for custom tools.
Decentralized microblogging network of independently run ActivityPub servers
Mastodon is a decentralized microblogging social network where thousands of independently operated servers federate through ActivityPub, so a person on one server can follow and reply to people on any other.
Code-first headless CMS and Next.js backend with an auto-generated admin panel.
Payload is a code-first, self-hosted headless CMS for Next.js that generates an admin panel with REST and GraphQL APIs from TypeScript config.
Multi-channel notification infrastructure for applications
Novu takes the notification logic that usually ends up scattered across a codebase - which channel, which template, which quiet hours, which digest window - and puts it behind one API and one workflow editor.
React SDK and infrastructure for in-app AI copilots and agents
CopilotKit is an open-source framework for adding AI copilots, chatbots, and in-app agents to products.
React framework for building internal tools, admin panels, and dashboards
Refine is an MIT-licensed React framework for building internal tools, admin panels, dashboards, and B2B apps on top of existing APIs.
Team knowledge base that stays fast as it grows
Outline is a documentation workspace built around search and structure rather than infinite nesting. Collections, a strong editor, and genuinely fast full text search make it usable at the size where most wikis become write-only.
Team messaging for organisations that cannot use hosted chat
Mattermost is channel-based team chat designed for environments where the message history has to stay inside a boundary: defence, healthcare, and regulated finance are its natural constituency.
Full-stack Python platform for building and deploying web apps
Reflex is a full-stack Python platform for building internal tools and customer-facing web apps, with an AI builder, open-source framework, and cloud or on-premises deploy.
Open-source visual editor for designing React apps with AI in real code
Onlook is an open-source visual editor for designing React and Next.js apps with Tailwind CSS in the browser DOM, with AI assistance and code you own.
Project boards that work offline and stay local
Focalboard is a board and table tool that runs as a desktop application against local files, or as a server for a team. It covers the kanban, table, and calendar views most planning needs without a subscription or an account.
Local, open-source AI app builder that turns prompts into ownable code
Dyad is a local-first AI app builder that turns natural-language prompts into working web applications, with the generated code stored on your own machine.
Open-source Git-backed headless CMS with visual editing for Markdown sites.
TinaCMS is an open-source, Git-backed headless CMS that adds visual editing to Markdown, MDX, and JSON content, saving editor changes as Git commits.
Flexible React framework for building documentation sites
Fumadocs is a React documentation framework that turns MDX content into fast docs sites with built-in search, theming, and OpenAPI support.
Self-hosted notes that capture fast and grow with AI
Blinko is a self-hosted note workspace built around fast capture: short entries called Blinks can later grow into full notes, get polished or expanded with a connected AI model, and be published to a personal blog.
Frontend platform for building composable commerce storefronts
Alokai is a frontend platform for composable commerce that connects ecommerce backends to production React and Vue storefronts through one data layer.
Open-source realtime database with sync, auth, and presence
Instant is an open-source realtime database that syncs state across clients with InstaQL queries, auth, presence, and storage.
Local-first meeting notepad with bot-free audio capture
Anarlog is a local-first meeting notepad that records device audio without adding a bot to the call and keeps transcripts in local files.
Open-source fullstack monitoring with replay, errors, logs, and traces
Highlight is an open-source fullstack monitoring platform with session replay, error monitoring, logging, and tracing, plus a Docker self-hosting path.
A modern CRM that does not fight the way you work
Twenty rebuilds CRM around the interaction patterns people already know from modern productivity tools: keyboard navigation, inline editing, flexible record views, and a data model you can extend without a consultant.
Open-source visual builder for websites and apps on your stack
Plasmic is an open-source visual builder for designing websites and apps directly on an existing React codebase, with drag-and-drop editing and headless CMS delivery.
Open-source desktop app that runs coding agents in parallel
Emdash is an open-source desktop app that runs multiple coding agents in parallel, each isolated in its own Git worktree.
Open-source Next.js commerce starter with headless Shopify, Medusa, or Stripe checkout
Your Next Store is an open-source Next.js storefront starter that connects to Shopify, Medusa, Saleor, or BigCommerce, or runs standalone on Stripe with Sanity.
Localisation platform with in-context translation editing
Tolgee's distinguishing feature is that translators work in the running application. Alt-click a string in the app and the editor opens over it, with surrounding context visible, which removes most of the ambiguity that produces bad translations from a spreadsheet.
Open-source event management and ticket selling for concerts and conferences
Hi.Events is an open-source event management and ticket-selling platform for concerts and conferences, free for unlimited free events.
Self-hosted accounting with invoicing, inventory, and reports
Bigcapital is a self-hosted accounting system for small and medium businesses. It records sales and purchase invoices, tracks expenses and inventory, and produces financial reports from a double-entry ledger.
Source-available live chat, support inbox, and marketing messaging
Chaskiq is a self-hostable customer messaging platform combining live chat, a shared team inbox, a help center, and marketing campaigns.
Self-hosted tasks and chores with fair rotation and smart scheduling
Donetick is a self-hosted app for managing household tasks and chores with recurring schedules, assignee rotation, and shared circles.
Open-source KYC, KYB, and risk decisioning workflows for fintech teams
Ballerine is an open-source platform for identity verification and risk decisioning aimed at fintech and marketplace teams. It combines vendor orchestration for KYC, KYB, and sanctions screening with a no-code rules and workflow engine plus a case-management backoffice for manual review. The codebase is a TypeScript monorepo with a NestJS workflows service and React frontends, and the company also sells a managed SaaS with usage-based pricing. Note: the public repo currently banners itself as undergoing a major rebuild and not actively supported, so intake should confirm maintenance status before publication.
Open-source consent management for React, Next.js, and modern web apps.
c15t is an open-source consent management platform that puts cookie banners, preference centers, and consent-aware script loading inside application code for React, Next.js, and JavaScript apps.
Self-hosted CRM toolkit developers can reshape in code
Atomic CRM is an open-source, self-hosted CRM built with React and Supabase that developers can reshape in code to fit their process.
Headless React data grid with a small bundle and 150+ built-in features
LyteNyte Grid is a headless React data grid from 1771 Technologies with a ~40 KB bundle, 150+ built-in features, and Apache-2.0 Core and commercial Pro editions.
AI-agent customer support that lives inside React and Next.js apps
Cossistant puts customer support directly inside a SaaS product instead of behind a separate helpdesk login.
Open-source typed feature flags and remote config for React and Next.js
Abby is a self-hosted feature-flag and remote-config service with typed SDKs for React and Next.js and per-environment A/B tests.
Privacy and consent as code for TypeScript web apps.
PolicyStack is a TypeScript-first library that generates privacy and cookie policies and adds headless cookie consent to web apps.
Open-source Markdown that mounts interactive apps for LLMs
MDMA is an MIT-licensed open-source framework by Mobile Reality that turns LLM Markdown output into interactive applications with forms, tables, and approval gates.
Headless product-tour library for React with accessible pre-styled components.
UserTourKit is a headless onboarding and product-tour library for React with TypeScript support, WCAG 2.1 AA accessibility targets, and pre-styled components.
Ask questions across document sets and get cited answers
Corpus turns piles of PDFs and web pages into something a team can interrogate.