1,919 tools
Free planSoftware & utilities
Jami is a free/libre GNU communication application for end-to-end encrypted messaging, audio and video calls, group chats, conferences, and screen sharing. It runs peer-to-peer without requiring a central relay server and ships clients for desktop and mobile platforms.
Free planSoftware & utilities
jamovi is free open-source statistical software with a spreadsheet interface powered by R. It offers point-and-click analyses, syntax transparency, reproducible jamovi files, optional cloud access, and a library of community modules for researchers and educators.
Free planSoftware & utilities
Javalin is a lightweight Java and Kotlin web framework for building REST APIs and web services on Jetty. It emphasizes minimal concepts, Java-Kotlin interoperability, optional async mode, and OpenAPI support through an official plugin.
Free planSoftware & utilities
Jdbi 3 is a Java SQL library that provides fluent and declarative APIs for type-safe database access. The developer guide covers handles, queries, updates, batches, argument binding, and resource management for JVM applications.
Free tier unknownSoftware & utilities
Jeevy Fabrication is an engineering and fabrication company that also builds software as part of mission-critical system deliveries. The public site emphasizes precision manufacturing with a single accountable team spanning hardware and software.
Free planSoftware & utilities
Jellyfin is a volunteer-built, free software media system for collecting, managing, and streaming movies, TV, music, live TV, books, and photos from your own server. Official and community clients reach phones, desktops, and TV platforms without tying users to a vendor cloud.
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Jexer is an open-source Java text user interface (TUI) framework modeled after classic Turbo Vision-style terminal apps. It targets xterm-like emulators with mouse support, widgets, and optional sixel or iTerm2 graphics so developers can build full-screen console applications in pure Java.
Free planSoftware & utilities
Jirafeau is an open-source one-click file sharing web application: upload a file, share a download link, and optionally set passwords or expiration. The maintained GitLab fork continues the original project with PHP-only storage, deduplication, and CLI cleanup tools.
Free planSoftware & utilities
JitPack is a package repository that builds JVM and Android libraries directly from public Git repositories and serves them as Maven, Gradle, and SBT dependencies. Developers add the JitPack repository URL and depend on com.github.User:Repo:Tag coordinates without publishing artifacts manually.
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jmeter-java-dsl is a Java API for defining Apache JMeter performance tests in code instead of GUI test plans. It wraps common JMeter samplers and thread groups with fluent builders, IDE autocompletion, and helpers such as jmx2dsl conversion and CI-friendly runners.
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JMH (Java Microbenchmark Harness) is an OpenJDK code-tools project for building, running, and analyzing nano- through macro-scale benchmarks on the JVM. It helps Java and JVM language authors measure performance with controlled warmup, forked JVMs, and statistical aggregation.
Free planSoftware & utilities
Its APIs support recording expectations, verifying interactions, and replacing implementations during out-of-container Java EE or Spring tests.
Free planSoftware & utilities
jMonkeyEngine is an open-source, cross-platform 3D game engine for Java developers who prefer code-first workflows. It provides rendering, physics, and asset pipelines with community showcases, documentation, and GitHub-hosted sources for building desktop and mobile games.
Free planSoftware & utilities
JokeAPI is a REST API that serves consistently formatted jokes from many categories without API tokens, membership, registration, or payment. It supports filters for language, category, and content flags, and returns JSON, XML, YAML, or plain text for easy integration into apps and bots.
Free planSoftware & utilities
Jooby is a modular Java and Kotlin web microframework emphasizing fast startup, simple routing, and scalable deployment. Applications define routes in concise Kooby or Jooby classes and run embedded servers suitable for modern HTTP services.
Free planSoftware & utilities
Joomla! is a free, open source content management system for building mobile-ready websites and web applications. The project ships a large extension ecosystem so teams can assemble publishing, membership, and business sites without proprietary lock-in.
Free planSoftware & utilities
Joplin is an open source note-taking app with desktop and mobile clients, Markdown notes, and optional Joplin Cloud sync. The vendor also offers self-hosted Joplin Server for organizations that want private synchronization and sharing.
Free planSoftware & utilities
Jotty is a self-hosted web app for notes and checklists that stores everything as Markdown files in a folder on your server. It targets operators who want simple task tracking without a database or third-party cloud.
Free planSoftware & utilities
Joy is wedding planning software offering free wedding websites, guest lists, RSVPs, registries, and invitation shopping. Couples manage save-the-dates, communications, and cash funds in one workspace alongside Joy Baby announcements.
Free planSoftware & utilities
Sites reference versioned jsDelivr URLs to serve libraries globally with emphasis on performance, reliability, and security monitoring.
Free planSoftware & utilities
json2go is a browser-based parser that converts JSON into Go struct definitions. It runs as a lightweight web app with WebAssembly support, helping Go developers scaffold types from sample JSON payloads during API integration work.
Free planSoftware & utilities
jsonapi-rb is a Ruby ecosystem for efficiently producing and consuming JSON:API documents, complementing related gems for serialization and routing. The GitHub repository hosts source code, issues, and integration guidance for Rails and Ruby API projects.
Free planSoftware & utilities
JSON to Table is a browser-based converter that turns nested JSON, arrays, and hierarchical API responses into readable HTML tables. Users paste or upload JSON, preview nested structures, and export table views for documentation or analysis.
Free planSoftware & utilities
It implements the WHATWG HTML5 parsing algorithm and includes safelist-based cleaners to mitigate XSS when handling untrusted markup.
Showing 1,056 of 1,919 tools
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