Open Source Alternatives to Popular Software

n8n

AI-powered workflow automation for technical teams

Stars
124,650
Forks
37,849
Last commit
4 hours ago

A flexible automation platform combining AI capabilities with business process automation, offering both code-based and no-code options for technical teams.

Alternative to:

Make

Discourse

Cultivate vibrant online communities with ease

Stars
44,650
Forks
8,585
Last commit
4 hours ago

A powerful, customizable platform for building and managing online forums, fostering engaging discussions and collaborative spaces.

Alternative to:

Discord

Novu

The open source Inbox component and notification platform

Stars
37,330
Forks
4,079
Last commit
4 hours ago

A powerful, open-source notification infrastructure for developers to manage and send multi-channel notifications with ease.

Alternative to:

Customer.io

Postiz

AI-powered social media management platform

Stars
22,731
Forks
3,622
Last commit
5 hours ago

Postiz offers an all-in-one solution for scheduling posts, creating content, and analyzing performance across multiple social networks.

Alternative to:

Buffer

Cap

Beautiful, shareable screen recordings in seconds

Stars
10,618
Forks
673
Last commit
4 hours ago

Cap is an open-source alternative to Loom, offering lightweight and powerful screen recording capabilities with instant sharing features.

Alternative to:

Screen Studio

Notesnook

Secure, private note-taking for the digital age

Stars
12,359
Forks
803
Last commit
1 day ago

End-to-end encrypted note-taking app with cross-platform sync, rich text editing, and offline support for ultimate privacy and productivity.

Alternative to:

Obsidian

ACI.dev

Build reliable AI agents with unified tool integration

Stars
4,445
Forks
418
Last commit
12 hours ago

Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified MCP server

Alternative to:

Make

Tolgee

Effortless localization for modern web applications

Stars
3,365
Forks
292
Last commit
20 hours ago

Simplify translation management with an intuitive platform for developers and translators, offering real-time collaboration and seamless integration.

Alternative to:

Lokalise

Comp AI

Get SOC 2, ISO 27001 or HIPAA compliant in 4 weeks

Stars
936
Forks
130
Last commit
10 hours ago

Get SOC 2, ISO 27001 or HIPAA compliant in 4 weeks. Transparent, automated, and cost-effective compliance. Get started instantly, no sales calls, no upfront contracts.

Alternative to:

Vanta

Probo

Open source compliance automation platform

Stars
621
Forks
59
Last commit
18 hours ago

A platform that simplifies compliance management with risk-based assessments, open-source frameworks, and vendor-independent automation.

Alternative to:

Vanta

Open WebUI

Extensible, self-hosted AI interface for your workflow

Stars
104,281
Forks
14,029
Last commit
4 hours ago

A customizable interface for AI that works offline, supporting Ollama and OpenAI-compatible APIs while adapting to your specific workflow needs.

Alternative to:

Claude

Dify

AI-powered app creation without coding complexities

Stars
108,860
Forks
16,573
Last commit
4 hours ago

Create, deploy, and manage AI-native apps effortlessly with a user-friendly platform that combines LLMs and your data

Alternative to:

Vertex AI

Excalidraw

Collaborative whiteboarding with a hand-drawn feel

Stars
104,460
Forks
10,394
Last commit
17 hours ago

Excalidraw is a virtual whiteboard tool that allows teams to easily create and share sketches with a unique hand-drawn aesthetic.

Alternative to:

Miro

Langflow

Visual builder for AI-powered applications and workflows

Stars
92,171
Forks
7,182
Last commit
5 hours ago

Low-code platform for building agentic and RAG applications with drag-and-drop components, Python customization, and support for any LLM or vector database.

Godot

Create 2D & 3D games with complete creative freedom

Stars
99,349
Forks
22,879
Last commit
20 hours ago

Free, open-source game engine for 2D/3D development with cross-platform support, visual scripting, and comprehensive tools for indie developers.

Alternative to:

Unreal Engine

RustDesk

Secure, fast, and open-source remote desktop software

Stars
94,047
Forks
13,743
Last commit
8 hours ago

Cross-platform remote desktop solution offering seamless control, file transfer, and screen sharing with robust security and customization options.

Alternative to:

AnyDesk

Supabase

Open-source Firebase alternative for modern app development

Stars
86,306
Forks
9,334
Last commit
8 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Alternative to:

AppWrite

ElasticSearch

The leading distributed search and analytics engine

Stars
73,370
Forks
25,348
Last commit
4 hours ago

Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.

Alternative to:

Algolia

LobeChat

Your personal AI assistant for enhanced productivity

Stars
63,884
Forks
13,277
Last commit
4 hours ago

LobeChat is an open-source AI chat platform that provides a customizable and feature-rich experience for interacting with AI assistants.

Alternative to:

Claude

OpenHands

Open source AI agents for software development

Stars
61,344
Forks
7,268
Last commit
16 hours ago

Build and deploy autonomous AI agents that can write code, fix bugs, and handle complex software development tasks with minimal human intervention.

Alternative to:

Claude Code

Immich

Self-hosted photo and video backup solution

Stars
71,564
Forks
3,774
Last commit
5 hours ago

Immich is an open-source, privacy-focused platform for managing and storing your personal photos and videos.

Alternative to:

Google Photos

Uptime Kuma

Self-hosted monitoring tool for websites and services

Stars
72,434
Forks
6,435
Last commit
21 hours ago

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Alternative to:

Opsgenie

Hoppscotch

Sleek, intuitive API development and testing platform

Stars
73,209
Forks
5,088
Last commit
4 hours ago

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Alternative to:

Postman

LocalSend

Share files securely across all devices without servers

Stars
65,068
Forks
3,466
Last commit
4 days ago

Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device discovery.

Alternative to:

Apple AirDrop

Grafana

Open source analytics and monitoring solution

Stars
69,210
Forks
12,798
Last commit
4 hours ago

Grafana is a multi-platform open source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web.

Alternative to:

Power BI

Apache Superset

Modern data exploration and visualization platform

Stars
67,312
Forks
15,400
Last commit
4 hours ago

Open-source solution for fast, intuitive data exploration and visualization, supporting various databases and skill levels.

Alternative to:

Power BI

Flowise AI

Visual AI workflow builder for seamless automation

Stars
42,022
Forks
21,553
Last commit
4 hours ago

Create, deploy, and manage AI workflows with an intuitive drag-and-drop interface, integrating various AI models and APIs effortlessly.

Alternative to:

Make

Zed

Next-gen code editor for collaborative development

Stars
63,070
Forks
4,784
Last commit
4 hours ago

Zed is a high-performance, multiplayer code editor designed for seamless collaboration between humans and AI.

Alternative to:

Cursor

AppFlowy

Your personal workspace for seamless note-taking and planning

Stars
64,643
Forks
4,467
Last commit
12 days ago

An open-source alternative to Notion, offering powerful note-taking, task management, and database features in a customizable interface.

Alternative to:

Obsidian

Strapi

Craft and manage content with ease and flexibility

Stars
68,831
Forks
8,807
Last commit
4 hours ago

A powerful headless CMS that enables developers to build, deploy, and manage content-rich applications with customizable APIs and a user-friendly admin panel.

Alternative to:

Sanity

NetData

Real-time monitoring for systems and applications

Stars
75,236
Forks
6,096
Last commit
11 hours ago

Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.

Alternative to:

DataDog

Odoo

All-in-one business management suite for modern enterprises

Stars
44,667
Forks
28,885
Last commit
4 hours ago

Comprehensive ERP solution offering integrated modules for finance, HR, sales, inventory, and more, tailored for businesses of all sizes.

Alternative to:

HubSpot

Maybe

Empower your financial future with AI-driven insights

Stars
52,539
Forks
4,034
Last commit
5 days ago

AI-powered personal finance tool for budgeting, investing, and achieving financial goals with personalized recommendations

Alternative to:

YNAB

OBS Studio

Free, open-source software for video recording and live streaming

Stars
65,891
Forks
8,575
Last commit
3 days ago

OBS Studio offers high-quality video recording and live streaming capabilities, supporting multiple platforms and providers.

Alternative to:

Screen Studio

Affine

Collaborative knowledge creation and management platform

Stars
53,706
Forks
3,614
Last commit
4 hours ago

All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

Alternative to:

Notion

Ladybird

A truly independent web browser backed by a non-profit

Stars
45,896
Forks
1,968
Last commit
10 hours ago

Ladybird is a new open-source web browser and engine built from scratch, focused on web standards, performance, and user privacy.

Alternative to:

Arc

Discover Open Source Alternatives to Popular Software

A curated collection of the best open source alternatives to everyday SaaS products. Save money with reliable tools hand-picked for you.

Discover Open Source alternatives to

Command Menu

Discover Open Source alternatives to

Pocket

n8n

Lovable

Notion

Screen Studio

Monday

n8n

Discourse

Novu

Postiz

Cap

Notesnook

ACI.dev

Tolgee

Comp AI

Probo

Open WebUI

Dify

Excalidraw

Langflow

Godot

RustDesk

Supabase

ElasticSearch

LobeChat

OpenHands

Immich

Uptime Kuma

Hoppscotch

LocalSend

Grafana

Apache Superset

Flowise AI

Zed

AppFlowy

Strapi

NetData

Odoo

Maybe

OBS Studio

Affine

Ladybird