Search once across OSI-approved open source, source-available projects, and proprietary products.
Open-source conversational forms, surveys and quizzes you can self-host
HeyForm is an open-source builder for conversational forms, surveys, quizzes and polls, with a hosted cloud and a Docker self-hosted edition under AGPL-3.0.
Open-source time tracking for freelancers and agencies
Solidtime is an open-source time tracker for freelancers and agencies with timers, timesheets, projects, clients, billable rates, and Docker self-hosting.
Local-first notes, wikis, and tasks with end-to-end encryption
Anytype is a local-first workspace for notes, wikis, tasks, and databases that keeps encrypted data on-device and can import workspaces from Notion.
Open-source, AI-native interface design editor
OpenPencil is a free, open-source interface design editor that opens Figma files and keeps every file on your own machine.
Visual headless CMS with drag-and-drop editing for any stack
Builder is a visual headless CMS where marketers edit pages by drag and drop and developers render the result with open SDKs.
Security-first diagramming online, on desktop, or self-hosted
draw.io is a free diagram editor for flowcharts, network diagrams, and whiteboards that runs in the browser, on the desktop, or self-hosted.
Self-hosted LLM gateway with one OpenAI-compatible API
Bifrost is a self-hosted gateway that puts every large language model call behind one OpenAI-compatible API. An application points its existing OpenAI client at the gateway, and Bifrost routes the request to whichever provider is configured, so switching models or spreading load across providers is a configuration change rather than a rewrite.
Headless commerce framework with deep TypeScript customization
Vendure is a headless commerce framework built on NestJS with GraphQL APIs and a plugin system, self-hosted free under GPLv3 with paid plans for teams.
Open-source feature flags and warehouse-native experimentation on one platform
GrowthBook is an open-source platform for feature flags, experimentation, and product analytics, runnable in its cloud or self-hosted.
Open-source tool to design and run mock REST APIs locally
Mockoon is a free, open-source tool for designing and running mock REST APIs locally, with a desktop app, CLI, and Docker image for CI pipelines.
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.
Free kanban boards from 37signals, hosted or self-hosted
Fizzy is a modern kanban board app from 37signals for tracking tasks, ideas, and projects on boards with columns and cards.
Open-source ERP, CRM, HRM, and project platform with time tracking
Ever Gauzy is an open-source business management platform combining ERP, CRM, HRM, project management, and time tracking in one self-hostable TypeScript system.
Open-source programmable voice and messaging platform
Fonoster is an open-source programmable telecommunications platform for voice and messaging, positioned as a self-hostable alternative to Twilio.
Postgres-native task queue for durable background workflows
Hatchet is a Postgres-native distributed task queue for background work and durable multi-step workflows, with retries, concurrency controls, and scheduled or event-driven execution through Python, TypeScript, Go, and Ruby SDKs. The MIT-licensed engine self-hosts with Docker or Lite mode, and Hatchet Cloud adds managed hosting on usage-based pricing.
Open-source serverless CMS that deploys inside your AWS account with scale-to-zero pricing.
Webiny is a self-hosted, open-source serverless CMS that deploys inside your AWS account, combining headless GraphQL and REST content APIs with a visual website builder, file manager and publishing workflows. A free MIT Community tier covers single projects while paid Business and Enterprise editions add SSO, audit logs, multi-tenancy controls and support.
Self-hosted, open-source website analytics with a simple dashboard
Fathom Lite is a self-hosted, open-source website analytics tool with a simple dashboard covering pageviews and referrers.
Encrypted email, calendar and contacts with open-source apps
Tuta is an end-to-end encrypted email service with calendar and contacts, offering open-source apps and hosted servers in Germany.
Self-hosted open-source CI/CD with container-based pipelines
Woodpecker CI is a self-hosted, open-source CI/CD engine that runs YAML pipelines from the repository in containers on Docker, Kubernetes, or local backends.
Web and product analytics in one cookie-free dashboard
OpenPanel merges the two dashboards most teams keep open side by side: page-level web analytics and event-level product analytics. Funnels, retention curves, and session replay sit next to traffic sources rather than in a separate product.
Encrypted collaboration suite for docs, sheets, and files
CryptPad is an encrypted collaboration suite with documents, spreadsheets, presentations, and file storage in one browser workspace.
Zero-instrumentation observability with eBPF and AI root-cause analysis
Coroot watches a whole system without asking developers to change their code.
Self-hosted CAPTCHA that verifies visitors without puzzles
Cap is a self-hosted CAPTCHA that checks visitors with background proof-of-work and browser challenges instead of image puzzles.
Local voice dictation with AI cleanup for macOS
VoiceInk transcribes speech on the machine itself using a local Whisper model, then runs the raw transcript through a cleanup pass that removes filler and applies punctuation.
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