3,030 tools
Free planWorkflow engine
Cadence is an open-source durable execution engine and CNCF project for orchestrating long-running application workflows. Developers write fault-tolerant workflows in Go, Java, or Python while Cadence persists state, handles retries, and matches tasks without external message queues.
Free planCode
CakePHP is an open-source PHP web framework for rapid MVC application development. It provides conventions, scaffolding, ORM tooling, middleware, and long-term releases so teams can build and maintain web apps with less boilerplate.
Free planDeveloper tools
Calagopus is an open-source game server management panel written in Rust for hosting game servers in isolated Docker containers. It targets high performance, security hardening, extension APIs, collaborative file editing, and migration paths from Pterodactyl-compatible eggs.
Free tier unknownCode
Calcish is a macOS notebook that blends a programmable calculator, JavaScript engine, and AI chat cells in one editable document. Users run math, code, and model prompts side by side, reorder cells, and export notebooks to Markdown, JavaScript, or PDF.
Free planCode
Creators publish shareable links, browse community apps, and upgrade for saved apps and stronger models.
Free tier unknownAssistant
Callback provides effortless process orchestration for operators through a model harness that runs complicated real-world workflows inside existing systems. Case studies cover logistics contract logic, regulated financial applications, and multi-jurisdiction land record analysis.
Free to startCode
Calldock provides AI voice agents that call inbound leads within about 60 seconds, qualify them with human-like conversations, and book meetings via calendar integrations. The platform includes templates for industries like dental and real estate, SMS and email follow-ups, webhooks, and a documented API for custom actions.
Free planResearch
CAMEL-AI is an open-source research community and software ecosystem for studying scaling laws of agents across data generation, world simulation, and task automation. Projects include CAMEL, OWL, OASIS, CRAB, and related multi-agent research libraries installable via pip.
Free tier unknownCode
Canary is an independent tester for code written by AI agents. It runs your application, tries to break each change, and reports issues that would have reached production, with a one-line prompt integration for coding agents like Claude Code and Codex.
Free planSecurity
Canarytokens is a free Thinkst tool for planting digital tripwires across your environment. When an attacker triggers a token, the service notifies you, helping teams detect breaches early through honeytokens embedded in files, URLs, and credentials.
Free tier unknownHealthcare
Candid Health provides revenue cycle management automation for healthcare providers and digital health companies. The platform detects billing issues, automates fixes, integrates through modern APIs, and surfaces reporting to track claims end-to-end.
Free planCode
It supports multiple rooms, private chats, notifications, moderation actions, and a plugin system, and is designed for deployment against your own XMPP server with HTTP binding.
Free tier unknownBlockchain DevOps
Cannon is a DevOps tool for building and deploying smart contracts on Ethereum and other EVM chains such as Optimism and Arbitrum. The public site identifies the product focus in metadata while the landing experience is a minimal loading shell.
Free tier unknownAssistant
CannyPen (Cannypen) bundles AI writing, chat, image, voiceover, speech-to-text, and code tools in one web dashboard. Users pick a template, describe the topic, and generate marketing copy, audio, or visuals with unlimited-use subscription tiers.
Free planEmail security
Canny Pigeons is hosted DMARC monitoring that ingests aggregate reports, maps senders on your domain, and guides policy from p=none toward p=reject with a single DNS CNAME. The site offers instant DNS grading without signup plus ongoing dashboards for compliant volume, unknown senders, and per-sender SPF/DKIM results.
Free planResearch
Canopy API delivers real-time Amazon.com product, pricing, review, and sales-estimate data through REST, GraphQL, and MCP interfaces with one API key. Developers replace brittle scrapers with hosted endpoints for search, bestsellers, deals, and category intelligence.
Free planMobile development
Capacitor is Ionic’s open-source native runtime for shipping web apps as iOS, Android, and Progressive Web Apps.
Free tier unknownResearch
Capalyze is an AI spreadsheet workspace for collecting web data, editing tables with natural language, and generating analysis reports or charts. Users scrape pages via templates, run up to tens of thousands of rows per task on paid tiers, and export dashboards or documents.
Free planCode
Captain is a self-tuning file search platform for AI agents that ingests DOCX, PDFs, video, and cloud storage sources and exposes ranked retrieval through one query API. It combines ingestion, eval-driven tuning, and sub-second search for production agent pipelines.
Free planAssistant
Captum is Meta’s open-source PyTorch library for model interpretability, offering algorithms such as Integrated Gradients, DeepLift, and Layer Conductance. Researchers install it via pip or conda to attribute predictions across vision, text, and multimodal models with minimal network changes.
Free trialCode
Capture.dev is a browser bug-reporting toolbar that records screenshots, console logs, network requests, and user context in one click so teams can file complete tickets without back-and-forth. It supports annotations, video feedback, customer capture links, and integrations with Slack, Linear, Jira, Asana, ClickUp, Trello, and Zapier.
Free tier unknownEngineering
Capuchin builds sovereign AI memory for engineering and manufacturing organizations. It ingests designs, test data, ERP records, and documents into searchable, ontology-based memory that runs on-premises inside ITAR and CMMC boundaries for quoting, compliance, and knowledge workflows.
Free to startCode
Capy is an AI software engineer that orchestrates parallel cloud coding agents to plan, build, review, and ship changes from Slack, desktop, and web clients. Use cases include PR review, visual QA, issue triage, documentation, migrations, refactors, and scheduled E2E testing.
Free planAutomotive API
CarAPI.dev provides REST JSON automotive data APIs for VIN decode, plate-to-VIN lookup, stolen-vehicle checks, inspections, listings, photos, valuations, EV routing, and OCR endpoints across US and EU coverage with documented examples and dashboard API keys.
Showing 504 of 3,030 tools
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