Open Source Applications

Open Apps is an open-source app directory that offers a curated selection of free alternatives to popular software tools, enabling users to find quality open-source solutions across various categories for development and productivity needs.

OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.

Open SaaS is an open-source framework for building scalable applications with React and Node.js, offering features like pre-configured authentication, payment integrations, TypeScript support, an admin dashboard, and easy deployment without vendor lock-in.

OSS Chat delivers a single chat interface that connects users to open‑source project resources—docs, issue trackers, papers, and community Q&A. It uses ChatGPT and a vector database to provide quick, privacy‑compliant access to up‑to‑date knowledge across diverse tech domains.

OpenRead centralizes research by letting users upload documents, search 20,000+ journals, compare papers, generate Q&A, graphs, notes, and chat with AI models. It also offers diagram creation, image editing, and homework help, with frequent model updates.

Open Lovable is an open-source AI website builder that transforms existing websites into React/Next.js applications. It utilizes web scraping and AI models for analysis, enabling quick cloning and customization of production-ready components.

Openkoda is an open‑source insurtech platform providing modular templates for claims, policy, and embedded insurance. It offers AI analytics, automated documents, role‑based access, multi‑tenant clustering, and API hooks for rapid, scalable development without vendor lock‑in.

FreedomGPT unifies access to 400+ AI models, showing side‑by‑side answers for voting and auto‑selection via leaderboard. It keeps privacy safe, runs on Windows/macOS, and is open‑source for community contribution and collaboration.

Opus is a decentralized entertainment AI tool that enables users to create and produce various forms of content using advanced AI technology, reducing production costs and time.

Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers high‑quality metadata, multilingual browsing, and open‑source integration.

SmythOS is an open‑source agent operating system that lets engineering teams build, test, and deploy AI agents on cloud and edge. It provides a unified visual workflow, SDK, CLI, and sandboxed runtimes with ACLs and encrypted storage for HIPAA compliance.

OpenSilver is an open-source UI framework for modern .NET applications, allowing seamless migration of Silverlight and WPF apps. It features AI-enhanced design tools, MAUI hybrid integration, and enables code reusability to streamline the transition process.

OpenGPT lets users build ChatGPT‑based applications instantly using a library of ready‑made AI tools for productivity, copywriting, coding, entertainment, and education. The platform offers prompt‑to‑code conversion, regex creation, and tools that refine prompts and transform requests into actionabl

Shakespeare is an open-source AI builder for decentralized applications, featuring community-driven apps for social connectivity, private journaling, task management, music exploration, and anonymous reading, while prioritizing data ownership and privacy without centralized servers.

OpenCreator is a generative AI workstation that integrates over 20 AI models for efficient content creation. With an intuitive interface, it enables quick visual production for various applications, including marketing and education, while simplifying the creative process.

OpenAgents is an open-source framework for building and operating scalable, interoperable AI agent networks. It provides tools to launch, connect, and orchestrate agents with live monitoring, enabling collaborative applications and workflows.

Open‑source AI code‑review platform that plugs into GitHub, GitLab, Bitbucket, and Azure DevOps at the pull‑request level. Model‑agnostic, it runs custom rule sets, tracks technical debt, and delivers real‑time metrics without storing source code.

OpenDevin is an open-source project replicating and enhancing Devin, an AI engineer for software tasks. It offers a sandboxing environment for code execution, integrating a chat interface and browser for user-friendly development. Aimed at simplifying software engineering, it welcomes contributions

Open Voice OS is an open-source, community-driven voice AI platform for building customizable assistants across Raspberry Pi, embedded devices, Linux desktops, and Docker. It provides plugin-based STT/TTS, configurable wake words, extensible skills, and privacy-focused self-hosting.

Open Notebook is a self-hosted, open-source notebook for private LLM workflows, supporting over 16 AI providers. It enables multi-modal content management, vector search, and contextual chat with full data sovereignty for research and development teams.

OpenPencil.dev is a lightweight, open-source desktop design editor that runs locally with full Figma file support. It offers scriptable workflows and an optional AI chat tool, prioritizing developer control and extensibility under the MIT license.

WebTotem delivers an AI‑driven firewall that blocks brute‑force, DoS, SQLi, XSS, bot, spam, path traversal, and emerging threats, with custom IP whitelisting. It scans for malware, defacement, open ports, tracks SSL and domain expiry, scores vulnerabilities, and provides dashboards for collaboration

Shared Recruiting Co. is an open‑source platform that streamlines candidate‑company communication, offering opt‑in messaging, inbox control, targeted outreach, engagement tracking, and ATS integration for customizable recruitment workflows.

ContribHub is an open-source platform that enables users to discover and contribute to projects across various sectors. It features project management tools, documentation sharing, and community engagement options, fostering collaboration and innovation in the open-source ecosystem.

Openwhispr is an open-source AI voice dictation tool that converts speech to text locally, ensuring privacy. It features instant transcription, customizable settings, and API integration, enhancing productivity for coding, writing, and brainstorming across various applications.

Open-claw.org is a premium, subscription-based AI deployment platform that lets you launch powerful AI agents in one click

Open‑Chat is a self‑hostable, decentralized chat platform that supports both proprietary and open‑source AI models. It provides a full chat API, runs LLMs on local GPUs, lowers latency, enhances privacy, and deploys easily on personal or cloud servers.

SamaritanAI simplifies open source contributions by visualizing complex codebases as navigable graphs, helping users identify necessary file changes, manage tasks, and gain insights on GitHub issues, thereby enhancing overall productivity for developers.

Open Tutor App is an AI-powered homework assistant that provides step-by-step solutions by analyzing photos of academic questions, including math and economics. It helps students understand complex concepts and improve their learning outcomes.

An open-source LLM-based research assistant tool that enables users to converse with research papers.

Repobase is an AI investment analyzer that evaluates over 41,000 open-source projects daily. It offers insights on trends, project health, and community engagement, while enabling customized watchlists and smart alerts for strategic investment decisions.

OpenAI Codex app is a desktop command center for AI-powered coding agents, enabling developers to run multiple agents in parallel to write code, fix bugs, automate workflows, and manage complex, long-running development tasks collaboratively.

Appsmith is an open‑source low‑code platform enabling developers and analysts to build custom apps via drag‑and‑drop widgets and code‑first IDE. It connects to any database or API, supports Git, CI/CD, and enterprise‑grade security, audit, and deployment features.

OpenEvidence is a secure medical information platform for U.S. healthcare professionals, facilitating question logging, managing protected health information, and streamlining prior authorization letter writing with access to trusted clinical findings and insights from over 10,000 care centers.

OpenDeepResearcher is an AI-powered research tool that streamlines information gathering by refining search queries, filtering duplicates, and generating comprehensive reports. It features asynchronous processing and a user-friendly Gradio interface for efficient research across various topics.

OpenFang.sh is an open-source agent operating system that orchestrates autonomous AI agents and capability packages across macOS, Linux, and Windows. It provides a secure, sandboxed runtime with built-in tools for tasks like research, monitoring, and automation, all managed through a native desktop

Twenty.com is an open-source CRM and SDK for building customizable CRM solutions, offering modular objects, fields, relations, and TypeScript tooling for technical teams to extend, integrate, and deploy custom applications.

OpenUI simplifies UI component creation by allowing instant visualization of changes. It supports HTML to React, Svelte, and Web Components conversion, aiding in rapid prototyping and testing. Developed by W&B, it's part of their next-gen tooling for LLM-based applications.

ownAI lets users build, host, and deploy custom AI assistants without coding. Create assistants for personal tasks, marketing, or support, with data hosted on your domain. Import knowledge bases, run models locally, and access open‑source code on GitHub.