Open Source Alternatives LogoOpen Source Alternatives
BlogAdvertise
Open Source Alternatives LogoOpen Source Alternatives

Tag

Explore by tags

  • All

  • 3D Modeling

  • A/B Testing

  • AI Agents

  • AI Coding Assistant

  • AI SDK

  • AI Search Tools

  • API Development Tools

  • API Infrastructure

  • Authentication

  • Authorization

  • BaaS

  • Chat

  • Chatbots

  • CI/CD Platforms

  • Cloud Management

  • Cloud Native

  • Cloud Native

  • CMS

  • Coding

  • CRM

  • Customer Support

  • Cybersecurity

  • Data Visualization

  • Database

  • Developer Framework

  • Developer Tools

  • DevOps Tools

  • Docker Management

  • Documentation

  • Email

  • File Sharing

  • File Sync & Storage

  • Graphic Design

  • Headless CMS

  • Knowledge Base

  • Knowledge Management

  • LLM

  • LLMOps

  • Monitoring

  • No Code

  • Note-taking Apps

  • Open Core

  • Privacy Tools

  • Project Management

  • RAG

  • Security

  • Self Hosted

  • Server Management

  • Social Media

  • Testing

  • UI/UX Design

  • Video

  • Web Analytics

  • Web Browsers

  • Web Hosting

  • Web3

  • WebSocket Servers

  • Workflow Automation

  • Workflow Orchestration

Open Source Alternatives LogoOpen Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product
  • Search
  • Categories
  • Tag
  • Sign In
Resources
  • Blog
  • Collection
  • Submit
  • Advertise your tool
Company
  • Privacy Policy
  • Terms of Service
  • Refund Policy
  • Sitemap
Copyright © 2026 All Rights Reserved.
icon of Converse.js

Converse.js

Communication & CollaborationWeb & App Development

An open-source, web-based XMPP chat client offering self-hosting, customization, and end-to-end encryption for secure messaging.

stars 3.2Klicense MPL-2.0lang JavaScript
ChatWebSocket ServersSelf Hosted+10
icon of ToolJet

ToolJet

Web & App DevelopmentAI & Machine LearningBusiness & Productivity+1

ToolJet is an open source Retool alternative for building internal tools with a drag-and-drop builder, 50+ data source connectors, and JavaScript support. AGPL licensed; self-host or use ToolJet Cloud.

stars 37.7Klicense AGPL-3.0lang JavaScript
No CodeAI AgentsLLM+10
icon of Matrix

Matrix

Communication & CollaborationWeb & App DevelopmentIT Management+1

An open protocol for secure, decentralized communication, enabling real-time messaging, VoIP, and data transfer across platforms.

stars 12.1Klicense Apache-2.0lang Python
ChatSecurityWebSocket Servers+11
icon of LiveKit

LiveKit

AI & Machine LearningWeb & App DevelopmentCommunication & Collaboration+1

LiveKit is open source real-time voice AI infrastructure for building and scaling voice agents and video applications using WebRTC — self-hosted or cloud, Apache 2.0.

stars 10.1Klicense Apache-2.0lang Python
AI AgentsLLMAPI Infrastructure+13
icon of Apache PDFBox

Apache PDFBox

Web & App DevelopmentProduct & Project Management

An open-source Java library for working with PDF documents, enabling creation, manipulation, and content extraction.

stars 3Klicense Apache-2.0lang Java
Developer ToolsCodingDocumentation+3
icon of SigNoz

SigNoz

Security & MonitoringProduct & Project ManagementData & Analytics+2

Open-source observability tool with APM, logs, traces, metrics, exceptions, and alerts powered by OpenTelemetry for comprehensive insights.

stars 26.6Klicense NOASSERTIONlang TypeScript
MonitoringSelf HostedOpen Core+19
icon of Anytype

Anytype

Business & ProductivitySecurity & MonitoringCommunication & Collaboration+3

Anytype is a local-first, peer-to-peer, open-source "everything app" emphasizing trust, autonomy, and powerful no-code creation.

stars 7.4Klicense NOASSERTIONlang TypeScript
Note-taking AppsFile Sync & StorageSelf Hosted+13
icon of Meilisearch

Meilisearch

Web & App DevelopmentAI & Machine LearningData & Analytics+1

Meilisearch is a fast open source search engine that delivers typo-tolerant, faceted full-text search in milliseconds, self-hosted with a single binary and no JVM dependency.

stars 57.2Klicense NOASSERTIONlang Rust
Search EngineOpen CoreDeveloper Tools+12
icon of Typesense

Typesense

Web & App DevelopmentAI & Machine LearningData & Analytics+1

A fast, typo-tolerant open source search engine for building instant search experiences with an easy-to-use API.

stars 554license Apache-2.0lang TypeScript
Search EngineOpen CoreDeveloper Tools+12
icon of QuestDB

QuestDB

Finance & FintechData & AnalyticsWeb & App Development+1

An open-source time-series database engineered for high-performance data ingestion and ultra-low latency SQL queries, ideal for demanding workloads.

stars 16.9Klicense Apache-2.0lang Java
DatabaseOpen CoreDeveloper Tools+7
icon of Codegen

Codegen

Web & App DevelopmentAI & Machine LearningBusiness & Productivity+2

AI developer teammate that helps you build software faster with code reviews, bug fixes, and feature implementations through natural language.

stars 521license Apache-2.0lang Python
AI Coding AssistantAI AgentsCoding+16
icon of inlang

inlang

Web & App Development

An open file format and ecosystem designed to streamline software globalization (i18n) with interoperable apps and SDK.

stars 1.9Klang TypeScript
Developer ToolsCodingCode Editors+3
  • Previous
  • 1
  • 2
  • 3
  • 4
  • Next