2,445 tools
Free planCoding & development
ipbase.com provides an IP geolocation API that returns country, city, timezone, ISP, ASN, and security flags such as VPN, proxy, and Tor indicators in JSON. The site also promotes ASN, reverse IP, and VPN detection APIs plus batch lookups for production apps.
Free tier unknownCoding & development
IP.City offers a JSON geolocation API that maps IPv4 and IPv6 addresses to city, region, country, and ISP fields for integration into web backends. The homepage demonstrates live lookups and documents simple HTTP access patterns for developers.
Free planCoding & development
IPGeolocation.io provides IP geolocation, timezone, user-agent, security, and database products billed in API credits. Developers can start on a free daily credit tier and scale through Starter, Plus, Pro, Business, and Premium credit bundles with documented overage rules.
Free planCoding & development
IPinfo delivers IP data intelligence for developers and enterprises, packaging geolocation, ASN, privacy, carrier, and company datasets into tiered API products. The homepage demonstrates rich JSON responses and positions Lite, Core, Max, and Enterprise offerings for different accuracy needs.
Free planCoding & development
IPTrace provides a high-availability IP geolocation API for locating users, enriching experiences, and supporting fraud and compliance checks. The service emphasizes reliable performance and tiered monthly lookup volumes on its pricing page.
Free planCoding & development
Ironfang Render is a rendering API for screenshots, PDFs, generated images, QR codes, and video from one platform. The product page advertises 500 free screenshots each month and pay-as-you-go billing with configurable spend limits after the free allowance.
Free trialCoding & development
IronPDF is Iron Software’s .NET library for creating, editing, and securing PDFs in C# applications. Licensing options include a monthly subscription with API usage limits and separate perpetual license tiers for longer-term deployments.
Free planCoding & development
isroot.in gives developers free yourname.isroot.in subdomains with simple DNS management for A, CNAME, and MX records. The service targets students and indie hackers with instant updates, community support, and one-year domain validity with renewal reminders.
Free tier unknownCoding & development
Izlo is a prompt management workspace for teams to store, remix, test, and deploy prompts from code, documents, and spreadsheets. Paid plans add collaboration, team management, AI token allotments, and unlimited API use under a fair-use policy.
Free planCoding & development
IzPack is an open-source Java installer generator that packages applications for Windows, Linux, macOS, and Solaris from one build. Installers are customizable, cross-platform, and published under the Apache License 2.0 with community contributions welcome.
Free planCoding & development
JaCoCo is a free Java code coverage library maintained by the EclEmma team for measuring instruction, branch, and complexity coverage in JVM projects. Releases are distributed as zip archives and Maven artifacts with snapshot builds published from the main branch.
Coding & development
jambuild creates web applications through spoken requests and visual pointing interactions.
Coding & development
JarvisCore is a Python framework for multi-agent orchestration, memory and observability.
Free planCoding & development
JBake is an open-source Java static site and blog generator for developers and designers. It supports AsciiDoc, Markdown, and HTML content with templates in Freemarker, Groovy, Thymeleaf, Jade, and Pebble plus Gradle and Maven plugins.
Free planCoding & development
JCode is an open-source terminal coding agent written in Rust that emphasizes parallel agent sessions, rich TUI rendering, and harness quality atop frontier models. Optional hosted inference adds a monthly subscription with doubled inference credit and JCode Cloud machine hours while the MIT-licensed app remains free with your own keys.
No free planCoding & development
jDeploy helps developers ship JavaFX, Swing, or Kotlin desktop apps with native installers for macOS, Windows, and Linux that auto-update on launch. Version 6 adds multi-modal packages combining GUI, CLI, services, and tray helpers with GitHub Actions publishing.
Coding & development
Jeeves runs reusable AI workflows in a desktop application for users to inspect.
Free planCoding & development
Jekyll is an open-source static site generator that transforms Markdown, Liquid, HTML, and CSS into deployable websites and blogs. It offers permalinks, categories, posts, custom layouts, and first-class GitHub Pages hosting integration.
Free to startCoding & development
JetBrains builds integrated development environments and team tools such as IntelliJ IDEA, PyCharm, WebStorm, Rider, and the JetBrains AI platform. The products page catalogs language-specific IDEs, data tools, and new agentic development offerings for individuals and organizations.
Free planEducation & tutoring
The JetBrains Student Pack gives verified students free access to JetBrains IDEs, plugins, and Academy courses for coursework and early career development. It is part of JetBrains Academy education offerings alongside teacher and university programs.
Free planAI models & APIs
Jev is TypeSafe’s structured decision model for text and JSON “system one” responses, exposed via playground, batch jobs, and a /v1/systemone API. Accounts receive free input tokens on sign-in, with one-time token packs when usage grows.
Coding & development
JevLaya GameTest provides agent skills for game testing with retained evidence and engine adapters.
Coding & development
jev-research-mcp supplies coding agents with structured web research evidence through MCP.
Free planCoding & development
jGRASP is a lightweight IDE focused on automatic software visualizations that make code easier to understand. It generates control structure diagrams, complexity graphs, and UML class views for Java and several other languages, with plugins for IntelliJ and Eclipse.
Showing 1,416 of 2,445 tools
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