Search once across OSI-approved open source, source-available projects, and proprietary products.
Open-source data quality tests and docs for pipelines
Great Expectations is an Apache-2.0 licensed Python framework for testing data quality with Expectations, Checkpoints, and auto-generated Data Docs.
Goals-focused open-source project management for non-project managers
Leantime is an AGPL-licensed, goals-focused project management system for non-project managers, connecting tasks to goals through kanban, calendar, table, and Gantt views with self-hosting or managed Pro hosting.
Cloud-native search engine for logs on object storage
Quickwit is an open-source, cloud-native search engine built for log management and analytics directly on object storage, written in Rust on top of Tantivy.
Open-source tracing, evals, and prompt tools for LLM apps
Arize Phoenix is a self-hosted observability platform for LLM apps with tracing, evaluations, datasets, and a prompt playground.
Incremental data pipelines that keep AI indexes and RAG context fresh
CocoIndex is a Python framework for building incremental data pipelines that keep search indexes and RAG context in sync with changing sources.
Share files between devices in your browser.
PairDrop is a free, open-source web app that sends files and text directly between devices over the local network, with no account or setup needed.
Self-hosted minimalist bookmark manager with archiving
Linkding is a self-hosted, open-source bookmark manager that saves links with automatic metadata, organizes them with tags, and archives copies.
Self-hosted open-source URL shortener with custom domains and link analytics
Kutt is a self-hosted, MIT-licensed URL shortener with custom-domain support, per-link passwords and expiry, private click statistics, and a REST API.
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.
Self-hosted CRM where research agents maintain the pipeline
CRM is a self-hosted, open-source CRM where background research agents maintain company, contact, and deal records for sales teams.
Open-source product information platform for central catalog management
UnoPim is a free open-source product information management platform that centralizes, enriches, and distributes product data across channels and locales.
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.
Self-hosted uptime and infrastructure monitoring with status pages
Checkmate is a self-hosted monitoring platform that watches website uptime, server hardware, and Docker hosts, and publishes public status pages.
Diskless Kafka-compatible event streaming that stores data on S3.
AutoMQ is a Kafka-protocol-compatible event streaming platform that keeps its system of record on object storage such as S3 instead of broker-attached disks. Existing Kafka clients and tools connect unchanged, while compute statelessness lets clusters scale and rebalance in seconds.
Open-source API and AI gateway with dashboard and cloud
Tyk is an open-source API and AI gateway enforcing authentication, rate limits and analytics across REST, GraphQL, gRPC and MCP services. Teams self-host it with Docker or Kubernetes, or use the managed Tyk Cloud.
Open-source meta-harness unifying AI coding agents
Omnigent is an Apache-2.0-licensed open-source meta-harness that orchestrates Claude Code, Codex, Cursor, Pi, and custom agents from one workspace.
Open source marketing automation with email and campaigns
Mautic is a free, self-hosted marketing automation platform for email campaigns, lead scoring, and multi-channel customer journeys.
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.
Embeddable full-text, vector, and hybrid search for JavaScript apps
Orama is an Apache-2.0 search engine that runs in the browser, server, or edge network with full-text, vector, and hybrid search plus a RAG answer engine.
Open-source ecommerce plugin for WordPress
WooCommerce is an open-source ecommerce plugin that turns a WordPress site into a self-hosted online store with payments, shipping, and a REST API.
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.
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.
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