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OpenSourceAlternatives

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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.

Organic Maps

Organic MapsOpen

Privacy-first offline maps with hiking, cycling, and driving navigation.

Stars15.6K
Commitjust now
LicenseApache-2.0

Organic Maps is a free offline maps and navigation app for hikers, cyclists, drivers, and travelers who want guidance without mobile data.

Alternative toCoMaps
Eigent

EigentAIOpen

Open-source AI cowork desktop with single-agent and multi-agent workforce modes

Stars15.5K
Commitjust now
LicenseApache-2.0

Eigent is an open-source desktop app where AI agents work beside you on research, writing, coding, and file tasks across macOS, Windows, and Linux.

Alternative toOpenHands
Shotcut

ShotcutOpen

Free open-source cross-platform video editor

Stars15.4K
Commitjust now
LicenseGPL-3.0

Shotcut is a free, open-source video editor for Windows, Mac, and Linux with native timeline editing, broad FFmpeg format support, and 4K output.

Alternative toKdenlive
PeerTube

PeerTubeOpen

Federated self-hosted video platform for independent ad-free channels

Stars15.4K
Commitjust now
LicenseAGPL-3.0

PeerTube is a free, open-source federated video platform for running an independent ad-free video site, with instances interconnecting into one network.

Alternative toMastodon
SuperTokens

SuperTokensOpen

Open-source user authentication with self-hosting and managed cloud

Stars15.3K
Commitjust now
LicenseApache-2.0

SuperTokens is open-source user authentication with session management, passwordless and social login, and SSO, available self-hosted or as a managed service.

Alternative toAuth0
Zitadel

ZitadelOpen

Open-source identity infrastructure with login and single sign-on

Stars15.3K
Commitjust now
LicenseAGPL-3.0

Zitadel is open-source identity infrastructure that adds login, single sign-on, and multi-factor authentication to applications, with multi-tenant organization management, available self-hosted or as a managed cloud.

Alternative toKeycloak
Cachet

Cachet

Self-hosted status page system for incident communication

Stars15.3K
Commitjust now
LicenseCachet License

Cachet is a self-hosted status page system for publishing component status, incidents, and scheduled maintenance to customers.

NodeBB

NodeBBOpen

Real-time Node.js forum software for online communities

Stars15.2K
Commitjust now
LicenseGPL-3.0

NodeBB is a self-hosted, GPL-3.0 community forum platform built on Node.js with real-time chat, notifications, and federated sharing.

Alternative toFlarum
LanguageTool

LanguageTool

Open-source grammar checker for 30-plus languages, in the browser or self-hosted

Stars15.1K
Commitjust now
LicenseLGPL-2.1

LanguageTool is an open-source grammar, spelling, and style checker for 30-plus languages, free in the browser with an optional self-hosted server.

Alternative toHarper
Midday

Midday

Open-source finance management with invoicing, bank sync, and AI assistance

Stars15.1K
Commit3mo ago
LicenseAGPL-3.0-only

Midday is an open-source finance management app for freelancers and small businesses covering invoicing, bank sync, reconciliation, time tracking, and file storage.

Alternative toQuickBooks Online
Logstash

LogstashOpen

Open-source data pipeline that ingests, transforms, and ships logs and events

Stars15K
Commitjust now
LicenseApache-2.0

Logstash is a free open-source data collection engine from Elastic that ingests, transforms, and ships logs and events through real-time pipelines.

Alternative toElasticsearch
Botpress

BotpressAIOpen

Open-source platform for building AI chatbots and support agents

Stars14.9K
Commitjust now
LicenseMIT

Botpress is an open-source platform for building AI chatbots and support agents with a visual builder, code SDK, and managed cloud.

Alternative toIntercom
Pearcleaner

Pearcleaner

Free source-available Mac app uninstaller and cleaner

Stars14.8K
Commit2mo ago
LicenseApache-2.0 with Commons Clause

Pearcleaner is a free, source-available Mac uninstaller that removes apps with their support files, caches, and orphaned leftovers on macOS 13 and later.

Alternative toCCleanerMoleBleachBit
Filestash

FilestashOpen

Self-hosted web file manager for FTP, S3, Dropbox, and Google Drive

Stars14.8K
Commitjust now
LicenseAGPL-3.0

Filestash is a self-hosted web file manager that brings a sharing interface to FTP, S3, Dropbox, and Google Drive storage.

Alternative toNextcloudDropbox
Notesnook

NotesnookOpen

Private encrypted notes across every device

Stars14.7K
Commitjust now
LicenseGPL-3.0

Notesnook is an open-source, end-to-end encrypted note-taking app with notebooks, tags, and reminders that works offline across mobile, web, and desktop, syncing through its own cloud from a free tier.

Alternative toJoplin
OpenVPN

OpenVPN

Self-hosted open-source VPN with TLS security and managed cloud options

Stars14.7K
Commitjust now
LicenseGPL-2.0-only

OpenVPN is an open-source virtual private network that builds encrypted TLS tunnels between devices and private networks.

Alternative toNetBird
Logto

LogtoOpen

Open-source identity platform with auth, SSO, and multi-tenancy

Stars14.7K
Commitjust now
LicenseMPL-2.0

Logto is an open-source identity platform for sign-in, single sign-on, and organization management, available self-hosted or as Logto Cloud.

Lemmy

LemmyOpen

Federated link-aggregation and discussion platform for self-hosted communities

Stars14.6K
Commitjust now
LicenseAGPL-3.0

Lemmy is a federated link-aggregation and discussion platform where independent servers interoperate, so a person on one server can subscribe to communities, vote, and comment across any other. It works like a self-governed Reddit: communities host link and text posts with nested comments, votes surface widely endorsed items, and moderators set local rules with site-wide admin controls behind them.

Bytebase

Bytebase

Database governance for schema changes, access control, and audit

Stars14.5K
Commitjust now
LicenseMIT + proprietary enterprise license

Bytebase is a database governance platform for reviewing, approving, and shipping schema changes with access control and audit built in.

Alternative toJira
MonoGame

MonoGame

Free C# framework for cross-platform 2D and 3D games

Stars14.5K
Commitjust now
LicenseMS-PL

MonoGame is a free, open-source .NET framework for building desktop, console, and mobile games in C#, re-implementing the discontinued Microsoft XNA API as code-first building blocks with no scene editor.

Alternative toUnity
E2B

E2BAIOpen

Isolated Linux sandboxes for running AI agent code

Stars14.1K
Commitjust now
LicenseApache-2.0

E2B is an open-source cloud that gives each AI agent session its own isolated Linux microVM for running generated code, using tools, and working with files.

Alternative toModal
Apache Druid

Apache DruidOpen

Open-source real-time database for sub-second analytics queries

Stars14.1K
Commitjust now
LicenseApache-2.0

Apache Druid is a self-hosted, open-source database for real-time analytics on massive streaming and batch datasets at scale.

Alternative toGrafana
Automatisch

AutomatischOpen

Self-hosted workflow automation that keeps business data on your own servers

Stars14K
Commit7mo ago
LicenseAGPL-3.0

Automatisch is a self-hosted business automation tool that connects services such as Slack, GitHub, Gmail, and X into multi-step workflows, built for teams that must keep workflow data on their own servers.

Alternative toZapier
Ory

OryOpen

Open-source identity platform for login, SSO, and permissions

Stars13.9K
Commit1mo ago
LicenseApache-2.0

Ory is an open-source identity platform built around the Kratos server, offering passkeys, social sign-in, and single sign-on self-hosted or as the managed Ory Network.