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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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PageGym
Tests how fast a web page loads, compares runs and lets you try speed fixes without touching code.
Free · Developer tools · Agencies
PaintCode
A Mac drawing app that turns vector shapes into Swift, Objective-C, Java or JavaScript drawing code for app developers.
Free trial · Design and images · Developers
PaizaCloud
Browser development environment with editor, terminal, web and database servers ready in seconds, aimed at learners and teachers.
Free plan · Developer tools · Developers
PandaCI
Write your build and deploy pipelines in TypeScript instead of YAML and run them on a hosted CI service.
Since 2025
Free plan · Developer tools · Developers
Paper
A Mac app for laying out app screens visually and exporting them to code for iOS, Android, desktop and web.
Since 2025
One-off payment · Design and images · Freelancers
Papercuts
AI agents use your live web app like a real user, following set flows or exploring, and email you when something breaks.
Since 2026
Free plan · Uptime and monitoring · Developers
Papermill
API that takes Markdown or JSON plus a template and returns a laid-out PDF, for apps that generate documents.
Since 2026
Free plan · Documents and e-signature · Developers
Parseable
Stores and queries logs, metrics and traces on object storage at low cost, as a managed cloud or on your own servers.
Since 2026
Uptime and monitoring · Developers
Parsivex
Connects to an AWS account, reports idle and oversized resources, and sends alerts when spend or waste jumps.
Free plan · Uptime and monitoring · Software companies
Pascal's Pager
Gives each service a private webhook URL and turns incoming JSON into plain English iPhone alerts, with sensitive fields masked.
Since 2026
Uptime and monitoring · Developers
Paseo
A desktop and phone app for running and reviewing many coding agents at once across your own machines.
Developer tools · Developers
Passmint
Developer API with typed SDKs for issuing and updating Apple and Google Wallet passes like event tickets, loyalty cards and memberships.
Since 2026
Free plan · Marketing and social · Shops and retail
PatchWave
A GitHub app that checks Dependabot updates against your code, fixes what breaks and merges the pull requests for engineering teams.
Since 2026
Free plan · Developer tools · Developers
pbar.io
Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.
Uptime and monitoring · Developers
pclip
Hosted Paperclip instances for running teams of AI agents, with backups, updates and an iPhone app to manage them.
Developer tools · Developers
PDF Otter
An API and template editor that turns PDFs into fillable templates and fills them in bulk from your app.
Since 2017
Pay as you go · Documents and e-signature · Developers
PDFBolt
An API for developers that renders HTML pages, URLs or AI-drafted templates into PDF files, processed in the EU.
Since 2025
Free plan · Documents and e-signature · Developers
PDFCrowd
API and plugins that turn web pages and HTML into PDFs or images, usable from code, Zapier or WordPress.
Documents and e-signature · Developers
PDFGate
Send documents for e-signature from a web dashboard, or generate, fill, protect and compress PDFs through an API.
Since 2025
Free trial · Documents and e-signature
PDFMonkey
Design PDF templates in a dashboard, send JSON to an API and get finished documents back, with 20 free a month.
Free plan · Documents and e-signature · Developers
Peek
A database client that puts tables, queries and charts on one infinite canvas, with local AI and live sharing.
Since 2026
Developer tools · Developers
PeekCSS
A browser extension that grabs a page's colours, fonts and images and exports them as CSS, SCSS, JSON or Tailwind.
Since 2026
Free plan · Design and images · Freelancers
Perfect Tense
Lets sites and platforms check spelling and grammar in any text field their users type in, added through a snippet or API.
Since 2018
Free plan · Developer tools · Software companies
Perigon
A news API and monitoring service that turns coverage from thousands of sources into structured, searchable data.
Free plan · Developer tools · Developers
Permit.io
Hosted permissions service that adds role, attribute and relationship based access checks to apps, APIs and AI agents.
Since 2022
Security and passwords · Developers
Pexafy
API that searches nine free stock photo sites by meaning with a single key; all images can be used without crediting anyone.
Free plan · Design and images · Creators and writers
PgBeam
A proxy that gives AI agents a limited Postgres login with read-only rules, PII masking, query budgets and an audit log.
Since 2026
Free trial · Security and passwords · Developers
PgDog
Proxy that sits in front of PostgreSQL to pool connections, spread reads across replicas and shard data.
Developer tools · Developers
PhantomJsCloud
A hosted headless browser that developers call over HTTP to render pages as PDF, images or JSON and automate logins.
Free plan · Developer tools · Developers
Phase
Secrets manager that lets dev teams and AI agents store, sync and deploy app keys and env variables across environments.
Security and passwords · Developers
phpinfo() WP
WordPress plugin that checks server health, PHP compatibility and updates, and produces audit reports for site owners.
Free plan · Uptime and monitoring · Agencies
PHPSandbox
Browser workspace where developers build, run, preview and publish PHP and Laravel apps, with AI help and no local setup.
Developer tools · Developers
pidrive
Cloud storage that AI agents mount like a local drive, so they can use ls, grep and cp, then share files by link.
Since 2026
Free plan · Developer tools · Developers
Piny
Click elements in a running React app to change layout, styles and text, with edits written back to your source.
Since 2025
Free plan · Design and images · Developers
Pitch31
Upload an OpenAPI or Postman file to get a chat agent that lets your users run your software's actions in plain language.
Since 2025
Free plan · Developer tools · Software companies
Pixela
Record a daily number by API or iPhone app and see it as a colour-coded graph to track habits or work streaks.
Free · Developer tools · Individuals and families
Pixeleye
Captures UI screenshots on each build and flags visual changes so dev teams can review them before release.
Since 2024
Free plan · Developer tools · Developers
Pixo
A white-label photo editor that software teams embed in their app or site, with a REST API for batch edits.
Free plan · Design and images · Developers
PixShot
An API that captures any web page as PNG, JPEG or WebP and generates social preview images, for developers.
Since 2026
Free plan · Developer tools · Developers
PkgHub
A private npm registry for developers who want to sell their packages, with licence keys and access granted after payment.
Since 2013
Subscription · Developer tools · Developers
Plantdiagrams
An online PlantUML editor where you describe a diagram in words, get the code generated, and share the result.
Since 2025
Free plan · Developer tools · Developers
PLC Lint
Checks CODESYS PLCopenXML exports for bugs the compiler misses, online or with an offline Windows build.
Since 2026
Free · Developer tools · Developers
Ploi
Sets up and manages your web servers and handles site deployments, with extra help for Laravel apps.
Subscription · Developer tools · Agencies
plsfix
Learns from incidents your team already fixed and answers repeat outages in Slack with a runbook you can run.
Since 2024
Uptime and monitoring · Developers
pocketty
An iPhone and iPad SSH terminal that alerts developers when a coding agent running under herdr is blocked or finished.
Since 2026
One-off payment · Developer tools · Developers
POEditor
An online place to translate software strings with your team, AI or hired translators, connected through an API and plugins.
Developer tools · Developers
Polar Signals Cloud
Always-on profiling of CPU, GPU and memory in production so engineers can find slow code and cut server costs.
Since 2021
Free trial · Uptime and monitoring · Developers
PolyDoc
An API that turns HTML or URLs into PDFs and screenshots, including archival PDF/A, accessible PDFs and Factur-X e-invoices.
Free plan · Documents and e-signature · Developers
Polygraph
Indexes all your repos so coding agents can plan changes across them and open coordinated pull requests.
Developer tools · Developers
Polygres
An API that adds graph, vector and text search over your existing Postgres database so AI apps get better context.
Since 2026
Developer tools · Developers
Portabase
Self-hosted tool that schedules backups of your databases to your own storage and restores them when needed.
Since 2026
Developer tools · Developers
PostgresGUI
A lightweight Mac app for browsing PostgreSQL tables, running SQL, editing rows and exporting query results.
Since 2026
One-off payment · Developer tools · Developers
Postico
A native Mac client for working with PostgreSQL databases, from a small independent studio.
Developer tools · Developers
PR Cockpit
A keyboard-driven Mac and Linux app for reviewing GitHub pull requests, with diffs, checks and threads loaded from a local cache.
Developer tools · Developers
PR Lens
Puts animated diagrams of architecture and data flow into pull requests so reviewers see the shape and risks of a change first.
Since 2026
Developer tools · Developers
PR Quorum
Runs several AI reviewers on each GitHub pull request, drops noisy findings and posts a single review.
Free plan · Developer tools · Developers
Printercow
Connects a thermal receipt printer to the internet through a Raspberry Pi so any app or service can print to it by HTTP.
Pay as you go · Developer tools · Shops and retail
Prism
Hosted API that runs open models like DeepSeek and Gemma for coding agents, with OpenAI and Anthropic compatible endpoints.
Since 2025
Developer tools · Developers
Prismy
Translates software interfaces with AI, syncs translation files through Git and lets teammates review wording.
Since 2024
Free trial · Developer tools · Software companies
ProcessSpy
A Mac process monitor with CPU and memory history per process, filters and a menu bar dashboard for power users.
One-off payment · Developer tools · Individuals and families

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