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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.

Insomnia

InsomniaAIOpen

Open-source API client for designing, testing, and mocking APIs

Stars40K
Commitjust now
LicenseApache-2.0

Insomnia is Kong's open-source desktop API client for designing, debugging, and testing REST, GraphQL, gRPC, and WebSocket APIs.

Alternative toPostman
ShareX

ShareXOpen

Free open source screen capture and file sharing tool for Windows

Stars40K
Commitjust now
LicenseGPL-3.0

ShareX is a free and open source screenshot, screen recording, and file sharing tool for Windows with annotation, OCR, and custom upload destinations.

Alternative toBugPin
drawDB

drawDBOpen

Free database diagram editor that turns ER designs into SQL

Stars39.8K
Commitjust now
LicenseAGPL-3.0

drawDB is a free, open source database diagram editor that turns entity-relationship designs into SQL for MySQL, PostgreSQL, SQLite, and more.

Alternative toAzimutt
ERPNext

ERPNextOpen

Free open-source ERP for accounting, inventory, and sales

Stars39.8K
Commitjust now
LicenseGPL-3.0

ERPNext is a free, open-source ERP system covering accounting, inventory, sales, purchasing, manufacturing, projects, and HR in one web application.

Alternative toSalesforce
Umami

UmamiOpen

Privacy-first web analytics without cookies, self-hosted or in the cloud

Stars39.3K
Commitjust now
LicenseMIT

Umami is a privacy-first web analytics platform covering traffic, campaigns, behavior, conversions, and revenue without cookies, available self-hosted or on Umami Cloud.

Alternative toGoogle Analytics
Spacedrive

SpacedriveOpen

Local-first file explorer unifying devices, drives, and clouds

Stars39.2K
Commitjust now
LicenseApache-2.0

Spacedrive is a local-first, open source file explorer that unifies files across devices, drives, servers, and optional clouds in one searchable interface.

Alternative toDropbox
HTTPie

HTTPieOpen

User-friendly command-line HTTP client for testing APIs

Stars38.8K
Commit2y ago
LicenseBSD-3-Clause

HTTPie is an open-source command-line HTTP client for testing APIs and web services from the terminal. Expressive syntax and colorized output keep requests readable.

Alternative toBrunoPostman
Tiptap

TiptapOpen

Headless open-source rich-text editor framework for the web

Stars38.7K
Commitjust now
LicenseMIT

Tiptap is a headless open-source rich-text editor framework built on ProseMirror, with modular extensions and optional paid collaboration and AI features.

Alternative toONLYOFFICE Docs
SearXNG

SearXNGOpen

Privacy-respecting metasearch engine you can self-host

Stars38.3K
Commitjust now
LicenseAGPL-3.0

SearXNG is a free, open source metasearch engine that aggregates results from many search services without tracking or profiling its users.

Alternative toSwirl
CopilotKit

CopilotKitAIOpen

React SDK and infrastructure for in-app AI copilots and agents

Stars37.7K
Commitjust now
LicenseMIT

CopilotKit is an open-source framework for adding AI copilots, chatbots, and in-app agents to products.

Alternative toAgentOS
Dokploy

Dokploy

Self-hostable deployment platform for apps and databases

Stars37.6K
Commitjust now
LicenseApache-2.0 + Dokploy Source Available License (DSAL-1.0)

Dokploy is a self-hostable platform for deploying applications and databases to servers you control, with Docker builds, managed TLS, and backups.

Alternative to/dev/pushCoolify
Khoj

KhojAI

Open-source AI second brain for notes, agents, and automations

Stars37.6K
Commit29d ago
LicenseAGPL-3.0-or-later

Khoj is a self-hosted AI second brain that answers from personal notes and the web, with custom agents and scheduled automations.

Alternative toOpen WebUIAnythingLLM
Tailscale

TailscaleOpen

WireGuard mesh VPN that connects devices into a private tailnet

Stars37.4K
Commitjust now
LicenseBSD-3-Clause

Tailscale is a WireGuard-based mesh VPN that joins laptops, servers, and cloud VMs into one private tailnet with ACLs and MagicDNS.

Alternative toNetBird
Keycloak

KeycloakOpen

Open-source identity and access management with single sign-on

Stars37.3K
Commitjust now
LicenseApache-2.0

Keycloak is open-source identity and access management software that adds login, single sign-on, and access control to apps and services on your own infrastructure.

Alternative toAuthentik
CasaOS

CasaOSOpen

Self-hosted personal cloud OS for home servers and Docker apps

Stars37.3K
Commitjust now
LicenseApache-2.0

CasaOS is a self-hosted personal cloud system that turns a home server into a Docker app platform with a browser-based dashboard.

1Panel

1Panel

Open-source Linux server panel for sites, containers, databases, and AI workloads

Stars37.1K
Commitjust now
LicenseGPL-3.0-only

1Panel is a self-hosted Linux server panel that manages websites, databases, containers, and files through a web interface.

Alternative toCoolify
Loops

Loops

Marketing, lifecycle, and transactional email for SaaS teams

CompanyLoops
Since2022
PricingFree

Loops is an email platform for SaaS teams that sends marketing, lifecycle, and transactional email from one product and API.

Alternative toSendGrid
Warp

WarpAI

The agentic development environment

CompanyWarp
Since2022
PricingFreemium

Warp is a proprietary, terminal-based agentic development environment from Warp that combines a command-line terminal, an AI agent mode, and built-in code editing and review workflows in one desktop application.

Alternative toGhosttyiTerm2
HashiCorp Vault

HashiCorp Vault

Secrets management and access control for dynamic infrastructure

Stars36.4K
Commitjust now
LicenseBUSL-1.1

HashiCorp Vault is a secrets manager that issues short-lived credentials, encrypts application data, and brokers privileged access from one control plane.

Alternative toInfisical
Lightpanda

LightpandaAI

Headless browser built from scratch for AI agents and automation

Stars36.3K
Commitjust now
LicenseAGPL-3.0-only

Lightpanda is an AGPL-3.0-only headless browser written from scratch in Zig for AI agents and automation, driven via CDP and a JavaScript API.

Alternative toChrome
Carbon

CarbonOpen

Design and share styled images of your code

Stars36.1K
Commit7mo ago
LicenseMIT

Carbon is a free web app that turns source code into styled images for posts, docs, and slides.

Alternative toChalk.ist
Continue

ContinueAIOpen

Open-source AI coding assistant for VS Code and JetBrains

Stars36.1K
Commitjust now
LicenseApache-2.0

Continue is an open-source AI code assistant for VS Code, JetBrains, and the terminal.

Alternative toGitHub CopilotCursor
Outline

Outline

Team knowledge base that stays fast as it grows

Stars34.2K
Commit21h ago
LicenseBUSL-1.1

Outline is a documentation workspace built around search and structure rather than infinite nesting. Collections, a strong editor, and genuinely fast full text search make it usable at the size where most wikis become write-only.

Alternative toNotion
Refine

RefineOpen

React framework for building internal tools, admin panels, and dashboards

Stars35.9K
Commitjust now
LicenseMIT

Refine is an MIT-licensed React framework for building internal tools, admin panels, dashboards, and B2B apps on top of existing APIs.