2,445 tools
Free planCoding & development
Convex is a reactive backend platform for TypeScript applications and AI agents, pairing database, functions, and scheduling with automatic reactivity. The homepage tagline stresses speed and reliability, while pricing offers a free starter tier and a Professional plan per developer.
Free tier unknownCoding & development
Corelayer is an AI-native production support platform that root-causes incidents, filters alert noise, and automates on-call work for complex production environments, with BYOC, on-prem, and PII masking options for regulated industries.
Free planCoding & development
Amazon Corretto is a no-cost, multiplatform, production-ready distribution of OpenJDK. AWS publishes long-term supported builds for Java development and deployment, and runs Corretto internally on large-scale production services.
Free tier unknownCoding & development
CORS Tester is a browser-based tool on cors-error.dev for checking Cross-Origin Resource Sharing behavior on an API URL. You can send configurable GET, POST, PUT, DELETE, or OPTIONS requests with custom origins, headers, credentials, and bodies, then inspect preflight and response headers against a CORS checklist.
Free planCoding & development
cosban/di is an open-source Go library that simplifies dependency injection through code generation. Published on GitLab under the MIT license, it targets Go developers who want compile-time wiring instead of manual constructor graphs.
Free tier unknownCoding & development
Cosine, hosted at cosine.sh, is a sovereign AI lab training specialized coding agents and models for secure environments. It offers Lumen Scout, Outpost, and Sovereign models plus CLI and cloud surfaces with transparent credit-based plans for developers and regulated teams.
Free tier unknownCoding & development
Country-State-City is a microservice and REST API for worldwide geographical data, including countries, regions, provinces, cities, and postal codes.
Free tier unknownCoding & development
Courgette Testing is marketed as a way to run end-to-end tests on an application in minutes.
Free planMarketing & SEO
Courier is a customer messaging platform for product teams and AI agents to orchestrate multichannel notifications and lifecycle journeys. It unifies email, push, SMS, Slack, and other channels with journeys, preferences, MCP server access, and usage-based pricing starting with 10,000 free sends per month.
Free planCoding & development
Couscous is a static-site generator tailored for project documentation stored as Markdown in your repository. It previews locally with couscous preview and publishes to GitHub Pages via couscous deploy without imposing a rigid docs directory layout.
Free planCoding & development
Coveralls tracks test coverage history and statistics for software repositories, highlighting untested code so teams can ship with more confidence. It integrates with GitHub, Bitbucket, and GitLab, stays free for open-source repos, and sells paid cloud plans for private repositories and enterprise hosting.
Free tier unknownCoding & development
cppstat.dev tracks C and C++ compiler feature support across GCC, Clang, MSVC, and Xcode in an interactive table. It helps developers compare language and library feature availability by compiler version when planning portable code.
Free planProductivity (email, docs, PDFs)
Crafter is an AI-native planning system that monitors project signals, surfaces delivery risks, and guides engineering and product teams without status-meeting overhead. It advertises Slack summaries, workload views, and AI recommendations across active projects.
Free planCoding & development
CraftMyPDF automates PDF and image document generation from reusable templates at scale. Teams design templates once, then generate output through a REST API or integrations such as Zapier, Make, n8n, and Bubble, with tiered SaaS plans based on monthly PDF credits.
Free planCoding & development
Firebase Crashlytics is Google’s crash reporting product for mobile and web apps, helping teams track, prioritize, and fix stability issues faster. It sits inside the Firebase Run suite alongside analytics, messaging, and performance tools on Spark and Blaze Firebase pricing models.
Free to startCoding & development
Crawl4AI is an open-source, LLM-friendly web crawler now offered as a hosted API that turns URLs into clean Markdown, typed JSON extractions, search results, and experimental answers, with MCP hooks for coding agents.
Free to startCoding & development
CreativeMode lets players create Minecraft mods, items, weapons, blocks, armor, mobs, biomes, vehicles, and add-ons without coding, using AI-assisted creation flows for Java and Bedrock editions plus community sharing tools.
Free tier unknownCoding & development
Creative Tim is a developer platform bundling UI blocks, automation templates, and deployable AI agents such as OpenClaw and Hermes. Teams use it to ship dashboards, shadcn registries, n8n workflows, and hosted assistants with optional AI app builder and ecommerce content generators.
Free planCoding & development
Crit is a local review tool for AI agent code changes that opens diffs in a browser so developers comment on specific lines and send feedback back to the agent. It supports plans, docs, branch diffs, story mode, and live app previews from a single binary installable via Homebrew, Go, Nix, or Windows releases.
Free planCoding & development
Cron AI is a lightweight web utility that converts plain-language scheduling requests into cron expressions. Type what you want the job to do, and the site returns a cron string you can paste into servers or schedulers.
Free planCoding & development
CronAI is a free cron expression generator that converts plain-English schedules into five-field cron syntax for systems such as Linux crontab, GitHub Actions, AWS CloudWatch, Kubernetes CronJobs, and Vercel Cron.
Free planCoding & development
CronAlive monitors cron jobs and HTTP uptime by having scheduled workloads ping unique URLs on each run. When pings are late or checks fail, it sends Telegram-first alerts and supports email, Slack, webhooks, and on-call integrations without installing an agent.
Free planCoding & development
Cronhooks schedules one-time or recurring webhook calls using cron expressions and time zones, then reports delivery failures. It targets teams that want hosted scheduling without maintaining cron daemons, with dashboards for upcoming runs and alert channels when endpoints misbehave.
Free planCoding & development
Cronicle is an open-source distributed job scheduler and runner with a web UI. Teams schedule repeating or ad-hoc tasks across worker nodes, watch live logs and resource graphs, and chain events using a JSON REST API and plugin model.
Showing 912 of 2,445 tools
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