Search once across OSI-approved open source, source-available projects, and proprietary products.
Free open-source chat with voice, video, and self-hosting for communities
Fluxer is a free, self-hostable chat and VoIP app for friends, groups, and communities, with channels, voice, video, and screen sharing.
Open-source cron job monitoring with dead-man's-switch alerts
Healthchecks is an open-source cron job monitor: each job gets a unique ping URL, and Healthchecks alerts you when a job misses its schedule. Hosted service covers 20 jobs free; the BSD-3-Clause codebase self-hosts on Python, Django, and PostgreSQL or MySQL.
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.
Distributed SQL database for high-concurrency transactions and analytics
OceanBase is a distributed relational database for high-concurrency transactions and real-time analytics with MySQL and Oracle compatibility.
Self-hosted invoicing and billing with quotes, payments, and time tracking
Invoice Ninja is a self-hosted invoicing and billing app for freelancers and small businesses, covering quotes, invoices, online payments, and time tracking.
Self-hosted accounting software for invoices, expenses, and cash flow
Akaunting is a self-hosted accounting app for small businesses and freelancers that tracks income, expenses, and cash flow from a web browser.
Passkeys, SSO, and MFA without vendor lock-in
Hanko is an authentication service built passkey-first rather than passkey-eventually. Passwords are optional from the start, and the hosted components handle the awkward parts of the WebAuthn ceremony that teams usually get wrong.
Code-first headless CMS with a GraphQL API and admin UI
KeystoneJS is a self-hosted, open-source headless CMS where developers define content models in TypeScript and get a GraphQL API plus an admin UI.
Open-source observability unifying logs, traces, metrics, and session replay
HyperDX is an open-source observability platform unifying session replays, logs, traces, metrics, and errors for faster production debugging.
Conversational forms built on a visual flow canvas
Typebot builds forms that behave like a conversation: one question at a time, branching on answers, with the flow assembled visually rather than written in code.
Rust warehouse for SQL analytics, search, and AI on object storage
Databend is a self-hosted cloud-native warehouse that runs SQL analytics, full-text search, and vector search in one Rust engine on object storage.
Open-source, self-hosted project management with boards, Gantt, and GitHub sync
Kaneo is an MIT-licensed open-source project management tool that teams can self-host for free or use through managed Kaneo Cloud hosting. It combines kanban boards with list, calendar, Gantt, and backlog views, plus two-way GitHub synchronization that moves tasks as pull requests open and merge.
Self-hosted wealth tracker for stocks, ETFs and crypto
Ghostfolio is a self-hosted wealth management app that tracks stocks, ETFs and cryptocurrencies across accounts with performance analytics.
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.
Open-source backend with Postgres, GraphQL, auth, and storage
Nhost is an open-source backend platform on PostgreSQL that generates a GraphQL API from the database schema and bundles authentication, file storage, and serverless functions, offered as a managed cloud or as Docker self-hosting.
Privacy-first open-source voice dictation that runs locally on desktop
OpenWhispr is a privacy-first open-source dictation app that transcribes speech locally with Whisper or Parakeet models and types text into any app on macOS, Windows, and Linux.
Open-source database for AI data, vectors, and agent memory
Activeloop is an open-source database for AI data that stores text, images, video, and embeddings with vector search and dataset versioning.
Open-source document sharing and data rooms with analytics
Papermark is an open-source platform for sharing documents and data rooms with page-by-page analytics, NDA gating, and dynamic watermarking.
Open-source status pages with global uptime monitoring and Slack incident response
OpenStatus is an open-source status page and uptime monitoring platform that checks services from 28 regions and runs Slack incidents, as managed cloud or self-hosted.
Private, open-source investment and personal finance tracker that runs locally on your devices.
Wealthfolio is a private, open-source investment and personal finance app that runs locally on your devices, covering investments, net worth, spending, and planning simulations with no account required.
Open-source AI answer engine with a generative UI
Morphic is an open-source AI search engine that answers questions with complete, cited responses instead of link lists, using Quick and Adaptive search modes in a self-hosted app.
WireGuard-based zero-trust remote access with self-hosted gateways
Firezone is a WireGuard-based zero-trust access platform that pairs a managed portal with gateways on your own infrastructure.
The proprietary products most often replaced by something in this directory.
Notion
Notion Labs
Documents, databases, and project tracking in one workspace
13 open source alternatives
Google Analytics
Web and product analytics tied to Google's ad stack
12 open source alternatives
Datadog
Datadog
Infrastructure monitoring, logs, and tracing in one platform
10 open source alternatives
Dropbox
Dropbox
File sync and sharing across devices and teams
10 open source alternatives
Slack
Salesforce
Channel based team messaging with a large integration ecosystem
10 open source alternatives
Auth0
Okta
Hosted identity covering login, SSO, and multi-factor
9 open source alternatives
Where the directory is growing fastest this month.
Running and talking to language models, on your own hardware or someone else's.
32 products+14.2%
Frameworks and runtimes for building, orchestrating, and supervising autonomous agents.
73 products+12.4%
Assistants that read a codebase and carry out engineering work from natural language instructions.
26 products+11%
Utilities that sit in the daily loop of writing, testing, and shipping software.
292 products+7.2%
Tools that connect applications and run multi step processes without manual work.
57 products+6.4%
Metrics, logs, traces, and error reporting for systems in production.
60 products+6.1%
774 results