Tag
32 catalogue entries use this topic; each Project's license policy is labeled separately.
Turn any website into clean, model-ready data
Firecrawl handles the unglamorous part of feeding the web to a language model: rendering JavaScript, following pagination, stripping navigation and cookie banners, and returning markdown or structured JSON that a model can actually use.
No-code spreadsheet interface over your own database
NocoDB is a no-code database platform with a spreadsheet interface that connects to the operator's own Postgres or MySQL database or runs on its hosted database at million-row scale.
Typo-tolerant search that is fast to run and fast to tune
Meilisearch is a search engine you can be productive with in an afternoon. Indexing is a POST, relevance is tuned through an ordered list of ranking rules, and results come back typo-tolerant by default.
Open-source community platform for discussion, chat, and support
Discourse is a self-hosted community platform that combines threaded discussion with built-in chat, search, and moderation tools.
Open-source payment switch unifying 270+ processors behind one integration
Hyperswitch is an open-source payment switch that routes transactions across 270+ processors from one integration, with vault, 3DS, retries, and reconciliation.
A content platform that wraps your existing SQL database
Directus points at a SQL database you already have and generates an admin interface and an API over it, without imposing its own schema. Existing tables keep their names, types, and constraints.
Visual database that turns tables into collaborative apps and automations
AITable is a self-hosted visual database that pairs a spreadsheet interface with grid, gallery, kanban, calendar, and Gantt views plus a REST API.
Open-source grammar checker for 30-plus languages, in the browser or self-hosted
LanguageTool is an open-source grammar, spelling, and style checker for 30-plus languages, free in the browser with an optional self-hosted server.
Open-source usage-based billing with metering, invoicing, and entitlements
Lago is an open-source billing platform for usage-based, subscription, and hybrid pricing, with metering, invoicing, and payment orchestration behind one API.
Open-source billing platform and merchant of record for SaaS
Polar is an open-source billing platform and merchant of record for digital products and SaaS, combining usage billing, subscriptions, and global tax handling.
Self-hosted invoicing with estimates, expenses, payments, and APIs
Crater is a self-hosted invoicing app for freelancers and small businesses with estimates, invoices, payments, and expense tracking.
Open-source document archiving with search, tags, and email ingestion
Papra is an open-source document archiving platform that organizes files with tags, full-text search, and email ingestion, self-hosted or in the cloud.
Self-hosted status pages with uptime monitoring and incident tools
Kener is a free, self-hosted status page and uptime monitor with incident timelines, maintenance windows, and subscriber notifications in one Docker deployment.
Open-source platform connecting AI agents to 600+ tools via MCP
ACI.dev is an open-source tool-calling platform that connects AI agents to 600+ applications through direct function calls or a unified MCP server.
Self-hosted, open-source backend that turns WakaTime heartbeats into coding statistics.
Wakapi is a free, open-source, self-hosted service that turns WakaTime editor heartbeats into coding statistics and dashboards.
Open-source design canvas with forms and database
Grida is an open-source design platform that pairs a Figma-style vector canvas with customer-facing forms, a Postgres-backed database, and a content backend for designers and frontend developers.
Self-hosted open-source billing and invoicing for hosting providers
Paymenter is a self-hosted open-source billing platform for hosting providers, automating subscriptions, invoicing, and service provisioning.
Open-source usage metering and billing for AI and API products
OpenMeter is an open-source usage-metering and billing platform for AI and API products, turning CloudEvents usage data into entitlements, Stripe invoices, and credit grants.
Sub-millisecond vector and full-text search in Rust
SeekStorm is an open-source vector and lexical search engine in Rust, shipped as an in-process library and a multi-tenant server with a REST API.
Open-source webhook server with HMAC signatures and EU hosting
Hook0 is an open-source webhooks server that lets SaaS teams send event notifications to their customers' applications through a JSON REST API and management dashboard.
Open-source usage-based billing with metering, plans, and invoicing
Meteroid is an open-source pricing and billing platform for SaaS, infrastructure, and AI companies, combining usage metering, plan management, subscriptions, and invoicing behind one API.
Self-hosted open source CMS and framework with custom fields and a fluent PHP API
ProcessWire is a self-hosted open source CMS and PHP framework with custom fields, a page-tree admin, and a fluent API for original site builds.
Open source secret and configuration management for developers
Keyshade is an open source secret and configuration management platform where developers sync variables and secrets from one dashboard into their projects.
Open-source programmable ledger for tracking money movement
Formance is an open-source programmable ledger for tracking money movement, built on double-entry accounting and the Numscript transaction language.
Open-source feedback boards with voting, roadmaps, and announcements
ClearFlask is an open-source feedback platform where customers post ideas, vote on features, and follow a public roadmap and release announcements.
Free open-source dashboard that turns editor heartbeats into coding stats.
Hackatime is a free open-source coding time tracker by Hack Club that turns editor activity into dashboards and leaderboards.
Open-source forms platform with analytics, API, and self-hosting
Formizee is an open-source forms platform for designing forms, collecting submissions through an endpoint URL, and viewing realtime analytics.
Free open-source AI note taker with bot-free meeting transcription
Prismical is a free, open-source AI note taker that transcribes meetings, lectures, and voice notes with local AI and no call bots.
Hosted search with millisecond responses and ranking control
Algolia is search as a managed service, tuned so hard for latency that typing into a search box feels like filtering a local list. Typo tolerance, synonyms, and merchandising rules are all configurable without touching the index code.
Headless content management delivered over APIs
Contentful separated content from presentation properly and early. Editors work with structured content models, and any number of front ends consume the same entries through an API.
Transactional and marketing email delivery
SendGrid handles the part of email nobody wants to own: reputation, authentication, bounce processing, and the endless negotiation with inbox providers about whether your mail is wanted.
APIs for SMS, voice, and verification at scale
Twilio turned telecommunications into an HTTP request, and the abstraction held. Sending a message to a phone anywhere in the world became a few lines of code rather than a carrier negotiation.