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All software

871 products in total: 615 OSI-approved open source, 19 source-available, 140 unresolved-license Projects, and 97 proprietary. Structural source=open URLs remain supported; use the license-policy filter for the canonical distinction.

GIMP

GIMP

Free raster image editor for retouching and composition

Stars6,499
Commitjust now
LicenseGPL-3.0-or-later

GIMP is a free raster graphics editor for photo retouching, image composition, and image authoring on Linux, macOS, and Windows.

Alternative toDarktable
sbox

sboxOpen

Modern game engine on Valve Source 2 with C# and live hotload

Stars6,489
Commitjust now
LicenseMIT

s&box is a modern game engine built on Valve's Source 2 and .NET that creates games in C# with millisecond hotload and a Unity-like scene system.

Alternative toGodot Engine
Zabbix

Zabbix

Self-hosted monitoring for networks, servers, and cloud

Stars6,472
Commitjust now
LicenseAGPL-3.0-only

Zabbix is a self-hosted monitoring platform that tracks networks, servers, virtual machines, and cloud services from one distributed setup, with agents and agentless checks feeding dashboards, alerting, and escalation under a free AGPL license.

Alternative toDatadog
Apache IoTDB

Apache IoTDBOpen

Industrial IoT time-series database for edge and cloud

Stars6,403
Commitjust now
LicenseApache-2.0

Apache IoTDB is an open-source time-series database for industrial IoT that collects, stores, and analyzes sensor data across edge devices and the cloud.

Alternative toGrafana
Waterfox

WaterfoxOpen

The free and open-source browser that puts your privacy first

Stars6,361
Commitjust now
LicenseMPL-2.0

Waterfox is a free and open-source web browser built on the Gecko engine that ships privacy protections, including no telemetry, built-in ad and tracker blocking, and private DNS, out of the box.

Alternative toBrave
Rivet

RivetOpen

Open-source orchestrator for agentic workloads and durable Actors

Stars6,275
Commitjust now
LicenseApache-2.0

Rivet is a self-hostable orchestration platform that runs agentic workloads as durable Actors with state, realtime, and scheduling built in.

Alternative toInngest
Baserow

BaserowOpen

No-code database and application builder you can host

Stars5,757
Commit8h ago
LicenseMIT

Baserow is a spreadsheet-shaped database with the API and permission model of a real backend underneath. Non-technical colleagues get grid, gallery, kanban, and calendar views; engineers get a REST API and webhooks over the same data.

Alternative toRetoolAirtable
Helicone

HeliconeAIOpen

Open-source LLM observability and AI gateway for monitoring and evaluation

Stars6,211
Commitjust now
LicenseApache-2.0

Helicone is an open-source observability platform and AI gateway for LLM applications. Teams point their existing OpenAI-compatible client at the Helicone gateway and every request is logged with traces, sessions, users, cost, and latency.

Lightdash

LightdashAIOpen

AI-first, open-source BI with dbt-native metrics and no per-seat pricing

Stars6,183
Commitjust now
LicenseMIT

Lightdash is an AI-first, open-source BI platform for teams that model with dbt.

HelixDB

HelixDBAIOpen

Open-source graph database with native vector and full-text search

Stars6,175
Commitjust now
LicenseApache-2.0

HelixDB is an open-source graph database with native vector and BM25 full-text search, built in Rust on object storage for combined graph, semantic, and keyword queries.

Alternative toMemgraph
Cosmos Server

Cosmos Server

A security-hardened self-hosted cloud for home and small business

Stars6,173
Commitjust now
LicenseApache-2.0 WITH Commons-Clause and Anti-Tampering-Clause

Cosmos Server manages a personal cloud on hardware you own.

Alternative toCasaOS
Passbolt

PassboltOpen

Open source team password manager you can self-host

Stars6,158
Commitjust now
LicenseAGPL-3.0

Passbolt is an open source password manager for teams with end-to-end OpenPGP encryption, granular sharing, and a server you can self-host.

Alternative toBitwarden1Password
Apache Pinot

Apache PinotOpen

Real-time OLAP datastore for low-latency user-facing analytics

Stars6,147
Commitjust now
LicenseApache-2.0

Apache Pinot is a real-time distributed OLAP datastore that answers SQL queries over streaming and batch data within milliseconds.

Alternative toGrafana
OpenCloud

OpenCloudOpen

Self-hosted file sharing and collaboration on a Go microservice backend

Stars6,141
Commitjust now
LicenseApache-2.0

OpenCloud is a self-hosted file-sharing and collaboration platform with a Go microservice backend, desktop and mobile apps, and EU-based hosting options.

Alternative toNextcloudDropbox
Weblate

WeblateOpen

Self-hosted continuous localization with tight Git integration

Stars6,111
Commitjust now
LicenseGPL-3.0

Weblate is a self-hosted localization platform that syncs translations with Git repositories, also available as a hosted service.

Alternative toCrowdin
OsmAnd

OsmAnd

Offline maps and navigation with hiking, cycling, and driving guidance.

Stars6,073
Commitjust now
LicenseGPL-3.0-only with exception

OsmAnd is an offline maps and navigation app built on OpenStreetMap data, with turn-by-turn voice guidance for driving, cycling, and walking.

Alternative toCoMapsOrganic Maps
Redmine

Redmine

Self-hosted project management with issue tracking and Gantt charts

Stars6,044
Commitjust now
LicenseGPL-2.0

Redmine is a GPL-2.0 licensed, self-hosted project management web app built on Ruby on Rails, with issue tracking, Gantt charts, time logging, and multi-project support.

Alternative toOpenProject
Hive

HiveOpen

SQL data warehouse on Hadoop for large-scale batch analytics

Stars6,028
Commitjust now
LicenseApache-2.0

Apache Hive is an open-source SQL data warehouse built on Hadoop that queries large distributed datasets through HiveQL and standard JDBC and ODBC clients.

Alternative toClickHouse
Zammad

ZammadOpen

Open-source helpdesk and customer support platform

Stars6,010
Commitjust now
LicenseAGPL-3.0

Zammad is an open-source helpdesk and customer support platform that unifies email, chat, phone, and social channels, with self-hosted or managed cloud operation under an AGPL-3.0 license.

Alternative toZendesk
Permify

PermifyOpen

Open-source authorization service for fine-grained RBAC, ABAC, and ReBAC

Stars5,962
Commitjust now
LicenseAGPL-3.0

Permify is an open-source authorization service for fine-grained access control. Teams model RBAC, ABAC, and ReBAC policies centrally and enforce them through a Zanzibar-inspired decision service.

Alternative toCerbosAuth0
Inngest

Inngest

Durable step functions for event-driven apps and AI agents

Stars5,932
Commitjust now
LicenseSSPL-1.0 (source-available)

Inngest is a durable execution platform for event-driven apps: SDK step functions with checkpoints, retries, and waits run on serverless or your own servers.

Alternative toHatchet
Countly

Countly

Self-hosted product analytics with funnels, cohorts, and push.

Stars5,912
Commitjust now
LicenseAGPL-3.0 with modified Section 7 (Countly Lite License)

Countly is a self-hosted product analytics platform that tracks events, user journeys, funnels, cohorts, and retention.

Emdash

EmdashAIOpen

Open-source desktop app that runs coding agents in parallel

Stars5,904
Commitjust now
LicenseApache-2.0

Emdash is an open-source desktop app that runs multiple coding agents in parallel, each isolated in its own Git worktree.

Alternative toClineAider
Scanopy

ScanopyOpen

Self-hosted network documentation that updates itself

Stars5,861
Commitjust now
LicenseAGPL-3.0

Scanopy is a self-hosted network discovery and documentation platform that maps devices, topologies, and racks into diagrams that stay current.

Alternative todraw.io