Open Source Tools Built with Java

Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.

Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options. It is positioned as an open-source alternative to Notion, Obsidian, OneNote, Confluence. Primary category: Personal Knowledge Management (PKM). Detected stack: JavaScript, Github Actions, Bash, Docker, Dependabot, Rust. Review the imported record before publishing or editing SEO copy.

Free, open-source audio editor and recorder for all platforms. Record, edit, mix and enhance audio with professional tools. Perfect for music, podcast

Free, open-source audio editor and recorder for all platforms. Record, edit, mix and enhance audio with professional tools. Perfect for music, podcasts, and more. It is positioned as an open-source alternative to Ableton Live, Logic Pro, Adobe Audition, Pro Tools. Primary category: Audio Editors. Detected stack: JavaScript, Github Actions, CSS, Bash, Typescript, Docker. Review the imported record before publishing or editing SEO copy.

Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.

Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data. It is positioned as an open-source alternative to Snowflake, RedShift, BigQuery, PlanetScale. Primary category: Relational Databases (SQL). Detected stack: Github Actions, Bash, Python, Codecov, Java, Vale. Review the imported record before publishing or editing SEO copy.

Create professional diagrams online or offline with security-first approach. No registration needed. Works with Google Drive, SharePoint, Atlassian, a

Create professional diagrams online or offline with security-first approach. No registration needed. Works with Google Drive, SharePoint, Atlassian, and more. It is positioned as an open-source alternative to Miro, Microsoft Visio, LucidChart. Primary category: Data Visualization. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, npm. Review the imported record before publishing or editing SEO copy.

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

Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management. It is positioned as an open-source alternative to Algolia, AWS Kendra, Coveo. Primary category: Log Management. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Build 2D, 3D, and XR games with a full-featured engine that includes its own scripting language, scene editor, and export tools for multiple platforms

Build 2D, 3D, and XR games with a full-featured engine that includes its own scripting language, scene editor, and export tools for multiple platforms. It is positioned as an open-source alternative to Unreal Engine, Unity. Primary category: Game Development Platforms. Detected stack: JavaScript, Github Actions, NodeJS, Bash, Eslint, npm. Review the imported record before publishing or editing SEO copy.

Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.

Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications. It is positioned as an open-source alternative to Teleport, CyberArk. Primary category: Authentication & SSO. Detected stack: JavaScript, Github Actions, CSS, Bash, Docker, Prettier. Review the imported record before publishing or editing SEO copy.

Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for

Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels. It is positioned as an open-source alternative to Photoshop. Primary category: Design & Prototyping. Detected stack: JavaScript, Bash, Python, GitHub, C, Objective-C. Review the imported record before publishing or editing SEO copy.

Open source web browser with its own engine, built from scratch without Blink, WebKit, or Gecko. Non-profit backed, no search deals, no user monetizat

Open source web browser with its own engine, built from scratch without Blink, WebKit, or Gecko. Non-profit backed, no search deals, no user monetization. It is positioned as an open-source alternative to Firefox, Google Chrome, Comet Browser, Brave. Primary category: Web Browsers. Detected stack: JavaScript, Github Actions, CSS, Bash, Docker, Prettier. Review the imported record before publishing or editing SEO copy.

Check grammar, punctuation, and spelling errors instantly with AI-powered technology. Supports 30+ languages with browser extensions and desktop apps.

Check grammar, punctuation, and spelling errors instantly with AI-powered technology. Supports 30+ languages with browser extensions and desktop apps. It is positioned as an open-source alternative to Grammarly. Primary category: Productivity & Utilities. Detected stack: Github Actions, CSS, Bash, Python, Java, Perl. Review the imported record before publishing or editing SEO copy.

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates. It is positioned as an open-source alternative to Microsoft 365, Microsoft Word, Google Workspace, Microsoft Office. Primary category: Productivity & Utilities. Detected stack: JavaScript, Github Actions, CSS, Bash, Eslint, Python. Review the imported record before publishing or editing SEO copy.

Logstash is a free and open server-side data processing pipeline that ingests data from multiple sources, transforms it, and sends it to your desired

Logstash is a free and open server-side data processing pipeline that ingests data from multiple sources, transforms it, and sends it to your desired destination. It is positioned as an open-source alternative to DataDog, Tableau, Splunk, ElasticSearch. Primary category: ETL & Data Integration. Detected stack: Github Actions, CSS, Bash, Docker, Python, GitHub. Review the imported record before publishing or editing SEO copy.

Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.

Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities. It is positioned as an open-source alternative to ElasticSearch, Algolia, AWS Kendra, Coveo. Primary category: Search Engines. Detected stack: Github Actions, Bash, Docker, Python, C, Objective-C. Review the imported record before publishing or editing SEO copy.

Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.

Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers. Primary category: Application Security. Detected stack: JavaScript, Github Actions, Bash, Docker, Python, Golang. Review the imported record before publishing or editing SEO copy.

Community-driven, Apache 2.0-licensed search and analytics suite for ingesting, searching, visualizing, and analyzing data at scale with AI/ML capabil

Community-driven, Apache 2.0-licensed search and analytics suite for ingesting, searching, visualizing, and analyzing data at scale with AI/ML capabilities. It is positioned as an open-source alternative to ElasticSearch, Algolia, AWS Kendra, Coveo. Primary category: Search Engines. Detected stack: Github Actions, Bash, Docker, Python, AWS, Dependabot. Review the imported record before publishing or editing SEO copy.

Comprehensive offline navigation app with detailed maps, turn-by-turn guidance, and specialized routing for hiking, cycling, and walking worldwide.

Comprehensive offline navigation app with detailed maps, turn-by-turn guidance, and specialized routing for hiking, cycling, and walking worldwide. It is positioned as an open-source alternative to Google Maps, Apple Maps, Bing Maps. Primary category: Productivity & Utilities. Detected stack: Github Actions, CSS, Bash, Python, GitHub, Dependabot. Review the imported record before publishing or editing SEO copy.

A peer-to-peer encrypted filesystem for secure file storage, sharing, and collaboration with end-to-end encryption and user-controlled data.

A peer-to-peer encrypted filesystem for secure file storage, sharing, and collaboration with end-to-end encryption and user-controlled data. It is positioned as an open-source alternative to Dropbox, Mega, ownCloud, Tresorit. Primary category: Cloud File Sync & Share. Detected stack: Github Actions, Bash, Java, TravisCI. Review the imported record before publishing or editing SEO copy.

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection. It is positioned as an open-source alternative to WhatsApp, Session, Telegram, Threema. Primary category: Encrypted Communication. Detected stack: JavaScript, Github Actions, CSS, Docker, Python, GitHub. Review the imported record before publishing or editing SEO copy.

Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environ

Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environment. Primary category: Low-Code/No-Code. Detected stack: JavaScript, NodeJS, CSS, Bash, Typescript, Docker. Review the imported record before publishing or editing SEO copy.

Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data

Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately. It is positioned as an open-source alternative to Gmail, Apple Mail. Primary category: Email Clients. Detected stack: JavaScript, Github Actions, CSS, Bash, Docker, GitHub. Review the imported record before publishing or editing SEO copy.