Search once across OSI-approved open source, source-available projects, and proprietary products.
Self-hosted Laravel CMS with flat-file content and a friendly control panel
Statamic is a self-hosted content management system built on Laravel that stores content in flat files and offers Pro features like revisions and headless APIs.
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.
Open-source workspace for building and running AI agents
Agenta is an open-source workspace for building and running AI agents through chat, with scheduling, approvals, versioning, and tracing.
Self-hosted git-push deploy platform with zero-downtime releases
/dev/push is a self-hosted deployment platform that ships apps straight from GitHub on every push, with zero-downtime releases and live logs.
Open-source email API with self-hosting
useSend is an open-source email platform with a developer API, contact management, and campaign tools, available as managed cloud or self-hosted with your own AWS SES keys.
Open-source AI agent observability that finds failures and dispatches fixes
Latitude is an open-source, MIT-licensed observability platform for production AI agents, organized around an Observe, Understand, and Refine loop of tracing, failure signals, and guardrails.
Make-like build tool that runs Go functions as targets
Mage is a make-like build tool written in Go: engineers write plain Go functions and Mage runs them as Makefile-style targets, with no Makefile syntax and no dependency outside the Go standard library.
Self-hosted group chat with rooms, DMs, and @mentions
Campfire is a self-hosted group chat system with rooms, direct messages, @mentions, search, and file attachments, built by 37signals.
Self-hosted S3-compatible object store for geo-distributed clusters
Garage is a self-hosted distributed object store with an S3-compatible API, designed for small clusters spread across homes, offices, and datacenters.
The Self-Building CRM
Macro CRM is a self-building CRM inside Macro's unified workspace that creates and updates People, Company, Deal, and Job records automatically from email and calendar activity.
Self-hosted authorization layer with versioned YAML policies and audit logs
Cerbos is a self-hosted authorization layer that answers allow-or-deny checks from a central policy decision point for apps and services.
In-memory graph database for real-time analytics and AI
Memgraph is an in-memory graph database that runs Cypher queries and streaming analytics over live connected data for fraud detection, recommendations, and agent memory.
Cross-platform keystroke launcher for apps and files
Ueli is a free, open source keystroke launcher for Windows, macOS, and Linux that opens apps, files, and commands from an Alt+Space palette.
Free self-hosted helpdesk and shared inbox for support teams
FreeScout is a free self-hosted helpdesk and shared inbox for teams replacing Zendesk or Help Scout, routing customer email into shared team mailboxes.
Open-source feedback boards for feature requests and voting
Fider is an open-source feedback portal where users submit feature requests, discuss them, and vote on what matters most.
AI-native observability from the Pydantic team, joining LLM calls with telemetry
Logfire is Pydantic's AI-native observability platform for debugging AI applications in production, built on OpenTelemetry so one timeline covers agent model calls, tools, services, databases, and hosts.
Free and open source office suite for documents, spreadsheets, and presentations.
LibreOffice is a free open source desktop office suite with Writer, Calc, Impress, Draw, Base, and Math for Windows, macOS, and Linux.
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.
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.
Distributed SQL database for live operational analytics
CrateDB is a self-hosted distributed SQL database for real-time analytics over time-series, JSON, full-text, vector, and geospatial data.
Self-hosted appointment scheduler for services and providers
Easy!Appointments is a self-hosted web app for booking service appointments with providers, working plans, and Google Calendar sync.
Open-source legal AI platform for document review, drafting, and research
Mike (MikeOSS) is an open-source legal AI platform for document review, drafting, and legal research.
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