1,919 tools
Free planSoftware & utilities
juCi++ is a lightweight, cross-platform C++ IDE built on libclang and LLDB for code navigation, completion, and debugging. The GitLab project ships CMake and Meson-based builds targeting modern C++ standards on Linux, macOS, and Windows.
Free tier unknownSoftware & utilities
Jumpstart Pro is a commercial Ruby on Rails (and companion iOS and Android) app template from Chris Oliver’s team. It bundles authentication, multitenancy, payments, TailwindCSS, admin dashboards, and API scaffolding so founders ship SaaS products without rebuilding common boilerplate.
Free planSoftware & utilities
JungleJS is an open Jamstack framework built around Svelte and GraphQL. It pulls content from headless CMSes, git-based CMSes, or APIs, compiles static sites, and deploys to hosts such as Netlify, Vercel, or GitHub Pages with less boilerplate than hand-rolling a Svelte data layer.
Free tier unknownSoftware & utilities
juntagrico is a web application for solidary agriculture (Solawi) groups that reduces administrative paperwork around member food shares. A community association maintains the software so farms can focus on production instead of improvised spreadsheets.
Free planSoftware & utilities
The official site provides documentation, examples, and playground resources for building browser games with a simple component-oriented API.
Free planSoftware & utilities
Apache Kafka is an open-source distributed event streaming platform used for high-performance pipelines, stream processing, analytics, and data integration. The project site describes core capabilities such as low-latency delivery, elastic scaling, durable storage, and Kafka Connect integrations.
Free planSoftware & utilities
Kaiwa is an open-source web client for XMPP chat, designed to pair with servers such as Prosody. It supports modern chat features including multi-user rooms, private messaging, archives, LDAP user management, mentions, and rich media embeds.
Free planSoftware & utilities
Kali Linux is an open-source Debian-based distribution maintained by Offensive Security for penetration testing, security auditing, and ethical hacking. It ships hundreds of preinstalled security tools, documentation, community forums, and optional commercial training paths.
Free tier unknownSoftware & utilities
Kaminari is a personal Next.js starter template showcased on Vercel. The landing page positions it as a preconfigured project where common setup chores are already handled so developers can clone the repo and focus on application features instead of boilerplate wiring.
Free planSoftware & utilities
Kanboard is a free, open source Kanban project management application focused on simplicity. Teams install it on their own server to visualize work with boards, columns, and tasks without heavyweight enterprise PM features.
Free planSoftware & utilities
Kaneo is open source, self-hosted project management with boards, Gantt charts, and GitHub integration. Kaneo Cloud offers managed hosting with a trial, while self-hosting remains free with SSO included according to the vendor site.
Free planSoftware & utilities
Karaoke Eternal is a self-hosted karaoke party system with browser-based mobile queuing and a browser player supporting MP3+G, MP4 video, and WebGL visualizations. Guests join via QR codes while the server runs on your own hardware without ads or telemetry.
Free tier unknownSoftware & utilities
Kardn is a creative social app for sharing art, writing, and film projects, then connecting and messaging with other creators. The site offers iOS and Android downloads plus a web beta for posting work and sending connection invites.
Free tier unknownSoftware & utilities
Karumi is listed at karumi.ai, but automated fetch of the official homepage returned a Cloudflare Just a moment challenge without exposing product marketing text or pricing.
Free planSoftware & utilities
Kavita is a self-hosted digital library for comics, manga, EPUB, and PDF with built-in readers, OPDS, Docker deployment, and rich metadata. It targets readers who want fast, private media hosting with user management and annotation support.
Free planSoftware & utilities
Kazu Navi (かずナビ) provides Japanese learning utilities such as number and counter converters, grammar breakdowns, natural translation, and a writing corrector. Premium Navigator unlocks unlimited grammar and translation queries with an ad-free experience.
Free planSoftware & utilities
It offers code completion, project management, debugger integration, and documentation lookup for Linux, Windows, and macOS workstations.
Free tier unknownSoftware & utilities
Keepyobread auto-enhances Airbnb listing photos by removing clutter, adjusting realism, and polishing room shots without Photoshop. Hosts upload listing images and apply one-click improvements aimed at cleaner, more inviting property photos.
Free tier unknownSoftware & utilities
Kern Systems develops technology to store digital data in DNA, positioning molecular storage as a dense archival medium. The public site explains what, why, how, and team sections for the Cambridge-area company without a consumer software console.
Free planSoftware & utilities
Keyboard Counter is a free web page that tallies keystrokes as you press keys and shows a live Keys Hit count. It runs in the browser with no installation or account, and works with PC, laptop and Mac keyboards.
Free planSoftware & utilities
Keycloak is an open-source identity and access management platform from the CNCF ecosystem. It adds single sign-on, user federation, social login, and fine-grained authorization to applications with admin and account consoles and support for OpenID Connect, OAuth 2.0, and SAML.
No free planSoftware & utilities
KeyHippo adds API key authentication and role-based access control on top of PostgreSQL Row Level Security, with first-class Supabase integration. It covers API key lifecycle, scopes, groups, roles, user impersonation, and high-throughput validation benchmarks for backend teams.
Free planSoftware & utilities
KeystoneJS is a Node.js headless CMS and app framework for developers who want a schema-driven admin UI, GraphQL API, and flexible content modeling. It ships as open source you embed in custom backends rather than a hosted website builder.
Free tier unknownSoftware & utilities
KeyTakes delivers instant readable and audible summaries of articles and YouTube videos through its web app and browser extension. The homepage promotes high-quality key takeaways and a KeyTakes Pro upgrade path for extended usage.
Showing 1,080 of 1,919 tools
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