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Developer tools software

Small, specific developer tools tools, ready to use today. 1,592 products listed. Of these, 898 have a free plan, 60 sell for a one-off price, 1 carries proof such as verified revenue, update history or uptime.

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Hinode
Pay per minute GPU rental for AI work, paired with a Linux environment that holds onto your models, files and tools between sessions.
Since 2026
Pay as you go · Developer tools · Creators and writers
Honcho
An open-source memory service that lets AI agents remember each user between sessions and tools, sold per use.
Since 2026
Pay as you go · Developer tools · Developers
Hook Relay
A hosted service that sends your app's webhooks with retries, logs and debugging so developers need not build it.
Free plan · Developer tools · Developers
Hopp
Screen sharing app with remote control and clear audio, built for developers who pair program remotely.
Subscription · Developer tools · Developers
Hoppscotch
Build, test and share API requests with your team in shared workspaces, on the hosted cloud or your own servers.
Developer tools · Developers
HostAnywhere
One agent links your devices into a private network, gives local services public URLs and backs up phones.
Since 2026
Free plan · Security and passwords · Individuals and families
Hound
Comments on style and lint problems in GitHub pull requests across many languages so reviewers can focus on logic.
Subscription · Developer tools · Developers
HS Ping
API that finds the right HS or HTS customs code for a product in 35 countries, for shipping and trade software.
Subscription · Developer tools · Online sellers
html-to-markdown
Paste or upload HTML and get clean Markdown back, in the browser or through an API.
Since 2024
Developer tools · Creators and writers
HTTP Debugger
A Windows app that captures and replays HTTP, WebSocket and gRPC traffic from any program without proxy setup.
Since 2019
One-off payment · Developer tools · Developers
HTTP Toolkit
Desktop app that lets developers capture, inspect, edit and mock HTTP and HTTPS traffic for debugging and testing.
Since 2019
Developer tools · Developers
HTTPie
A friendly client for sending and testing HTTP API requests, available in the browser, as a desktop app and in the terminal.
Developer tools · Developers
HumanLayer
Shared IDE and cloud where engineering teams run coding agents and review their plans and diffs together.
Since 2026
Subscription · Developer tools · Developers
HumanLayer
A shared IDE and cloud where engineering teams run AI coding agents and review their plans and code changes together.
Since 2024
Subscription · Developer tools · Developers
Hyperbrowser
Cloud Chrome sessions, sandboxes and scraping APIs that developers connect to AI agents or Playwright scripts.
Since 2024
Free plan · Developer tools · Developers
Hyperlane
A VS Code based editor that runs several coding agents at once, each in its own Git worktree, so you can review their work.
Since 2026
Developer tools · Developers
Hyperparam
Browser tool for opening and searching very large Parquet, JSONL and CSV datasets, adding AI generated columns and exporting the result.
Since 2025
Developer tools · Developers
Hyperserve
An API that takes videos your users upload, converts them to web-ready formats and serves them from a CDN.
Free plan · Video and audio · Developers
Hystruct
Pulls structured data such as job posts or product details out of any web page using AI, with an API.
Since 2024
Free plan · Developer tools
IBANforge
API and file checker that confirms an IBAN maps to a real bank and BIC before invoices or payroll are paid.
Since 2026
Free plan · Payments and checkout · Accountants and bookkeepers
Iframely
API that turns shared links into previews and playable embeds from over 1900 platforms.
Free trial · Developer tools · Creators and writers
Ignav
An API that returns live flight prices and airline booking links for developers building travel search or price alerts.
Since 2015
Free plan · Developer tools · Developers
Ilograph
Draw interactive software architecture diagrams that can be viewed from several angles, for engineering teams.
Since 2019
Subscription · Design and images · Developers
img-src
An image CDN that resizes, crops and converts your uploaded images to modern formats through simple URL parameters.
Since 2026
Free plan · Developer tools · Developers
Imitate Email
A sandbox mail server that catches emails your software sends so developers and testers can view them inside the app being built.
Free plan · Developer tools · Developers
inbound
An email API that developers use to receive mail on their own domain as JSON, route it and reply in the same thread.
Since 2025
Subscription · Transactional email · Developers
Indigo
Mac app that runs Nginx, PHP, MySQL, PostgreSQL and Redis locally for web developers without Docker or VMs.
Since 2022
Free plan · Developer tools · Developers
infer0
Lets app users connect their own AI provider keys with spend caps, while developers integrate one API that routes to any model.
Since 2026
Developer tools · Developers
Inferencer
Mac and iOS app for running AI models on your own hardware, with token inspection and a private local server.
Since 2025
Developer tools · Individuals and families
InferX
Hosted and on-premises inference for open language models, with OpenAI-compatible APIs and quick model swapping on shared GPUs.
Since 2025
Pay as you go · Developer tools · Developers
Infinitcode AI
An AI reviewer that checks GitHub pull requests for bugs and slow code and proposes fixes.
Since 2025
Free plan · Developer tools · Developers
InfiniteWP
Self-hosted panel where agencies and freelancers update, back up and monitor all their WordPress sites in one place.
Free plan · Uptime and monitoring · Agencies
Infracost Dev
Shows engineers the cloud cost of Terraform and other infrastructure code changes in their editor or coding agent.
Since 2026
Free plan · Developer tools · Developers
INK
Hosting that deploys apps from a git push or a coding agent, with databases, domains, logs and per-minute billing.
Since 2026
Pay as you go · Developer tools · Agencies
Inkspan
An API that lets developers create PDFs from HTML or Markdown, merge or split files, pull out tables and translate documents.
Since 2026
Free plan · Documents and e-signature · Developers
Inngest
Runs background jobs, workflows and AI agent steps with retries and step logs, as an open source SDK and hosted cloud.
Since 2023
Free plan · Developer tools · Developers
InsForge
A hosted backend with database, auth, storage and functions that AI coding agents can set up and run for you.
Since 2025
Developer tools · Developers
Inspect
Lets developers and their coding agents see the DOM, console and network of web pages on real iPhones and Android phones.
Since 2020
Free plan · Developer tools · Developers
Inspector
Watches PHP apps in production for errors and slow code, and passes that data to your AI coding agent to help fix problems.
Free plan · Uptime and monitoring · Developers
InstallOnAir
Upload an IPA or APK and get a link or QR code your testers can use to install the build on their device.
Free plan · Developer tools · Developers
InstantCLI
Builds a command line tool for your API from its docs, with binaries, install scripts and updates, so AI agents can use it.
Since 2026
Developer tools · Developers
Integry
Lets SaaS companies add ready-made integrations and workflows with hundreds of apps inside their own product.
Since 2024
Free plan · Developer tools · Software companies
InterceptSuite
A desktop proxy for security testers that captures, edits and replays raw TCP, TLS, UDP and QUIC traffic from any app.
Since 2025
Free trial · Security and passwords · Developers
Intraview
A VS Code extension that has your AI agent write step-by-step tours of a codebase to help new engineers get up to speed.
Since 2025
Free plan · Developer tools · Developers
InvoicingAPI
An API that lets developers create branded PDF invoices with sales tax or VAT and add payment links from their own apps.
Since 2024
Free plan · Invoicing and billing · Developers
Iottly
Lets engineers reach, reboot, monitor and move files to remote Linux IoT devices from the cloud.
Uptime and monitoring · Developers
IP Flare
An API that returns country, city, time zone and currency for any IP address, for apps doing fraud checks or localisation.
Since 2024
Free plan · Developer tools · Developers
IP Scanner
Mac and iPhone app that scans your local network and identifies every connected device, for home users and IT staff.
Free trial · Security and passwords · Individuals and families
IP-API
Looks up location, ISP and proxy status for any IP address or domain, free for non-commercial use with paid plans for business.
Free plan · Developer tools · Developers
Ip2Geo
Turns IPv4 and IPv6 addresses into country, city, ISP and timezone through an API, SDKs or CLI, for developers.
Free plan · Developer tools · Developers
IP2Location.io
API that returns the country, city, ISP and proxy status of an IP address, plus domain WHOIS data, for developers.
Free plan · Security and passwords · Developers
ipapi
API that returns the city, country, timezone and coordinates of an IP address, with paid plans for higher volumes.
Subscription · Developer tools · Developers
ipapi.is
API that returns location, ASN, company and hosting data for an IP and flags VPN, proxy and Tor traffic.
Free plan · Security and passwords · Developers
ipbase
Developer API that tells you the location, time zone, network provider and VPN or proxy status of an IP address.
Free plan · Security and passwords · Developers
IPGeolocation.io
APIs and downloadable databases that give location, timezone and VPN or proxy risk data for IP addresses.
Free plan · Security and passwords · Developers
IPinfo
An API that returns location, ASN, carrier and privacy details for any IP address, for developers and security teams.
Since 2014
Free plan · Developer tools · Developers
IPWho
Returns geolocation, ISP, company, timezone and currency for any IP address, with cheap plans that include every field.
Free plan · Developer tools · Online sellers
IronBee
Reviews each pull request with AI and clicks through the preview build like a user to catch bugs before merging.
Since 2026
Developer tools · Developers
Is It Disposable
Catches throwaway email addresses at your signup form with a snippet or REST API, and your rules decide whether to allow or block.
Free plan · Security and passwords · Developers
Isle
Hosted environments that open apps like KiCad and FreeCAD for computer-use agents, with checkpoints and recovery.
Since 2026
Free plan · Developer tools · Developers

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