3,929 tools
Free planDeveloper tools
KeystoneJS is a Node.js headless CMS and app framework for developers who want a schema-driven admin UI, GraphQL API, and flexible content modeling. It ships as open source you embed in custom backends rather than a hosted website builder.
Free planCode
Keystroke is a platform for building internal AI agents and durable workflows with memory, filesystem workspaces, triggers, MCP integrations, and channel delivery to Slack or Teams. Teams inspect runs, run evals, and orchestrate human approvals before production deployment.
Free tier unknownCode
KFR is a commercial-friendly C++ digital signal processing framework offering FFT/DFT, filters, resampling, audio I/O, and math utilities optimized for SIMD on Intel, AMD, ARM, and Apple CPUs. Audio, scientific, and embedded teams embed KFR algorithms in desktop and mobile products.
Free tier unknownAssistant
Khotan builds bespoke procurement software by connecting, cleaning, and reconciling structured and unstructured spend data, then encoding customer approval rules into applications. Agents run with private inference on customer-controlled data rather than generic off-the-shelf procurement suites.
Free tier unknownImages
Kie.ai provides affordable API access to generative models including Nano Banana image endpoints built on Gemini image preview models. Developers get playground testing, credit-based billing, streaming responses, and documentation for image generation and editing workflows.
Free to startBilling
Kill Bill is an open source subscription billing and payments platform for SaaS and marketplaces. It provides plugin-friendly invoicing, payment routing, and catalog management that teams self-host or extend for custom monetization stacks.
Free tier unknownCode
Killercoda provides browser-based interactive environments for learning DevOps, Linux, Kubernetes, and related certifications. Learners run hands-on scenarios without local VM setup, with optional Killercoda PLUS offering longer sessions and extra features.
Free to startCode
Kilo (Kilo Code) is an open-source AI coding agent available in VS Code, JetBrains, CLI, and cloud workflows with access to hundreds of models via BYOK or Kilo Gateway. Teams plans add collaboration, analytics, and centralized billing while inference is billed separately.
Free planCode
Kilvin is an AI-native software agency and workspace platform that builds custom internal apps for teams instead of forcing generic SaaS templates. Customers use a shared secure workspace with databases, file storage, access controls, and an embedded build agent, or hire Kilvin engineers for managed delivery.
Free to startCode
Kimi API Platform exposes Moonshot AI models—including Kimi K3, K2.7 Code, and K2.6—with long context, tool calling, vision, and official tools such as web search and code execution. Developers authenticate with API keys via OpenAI- or Anthropic-compatible endpoints and pay as they consume tokens.
Free tier unknownAssistant
Kimi Claw deploys OpenClaw as a 24/7 cloud or local AI assistant with memory, scheduled tasks, and messaging integrations. Kimi configures Instant Thinking models and skills, and preview Claw Groups enable multi-agent collaboration in shared chats.
No free planCode
Kimi Code is Moonshot’s developer-facing coding stack spanning a desktop app, CLI, and IDE plugins powered by Kimi K3 with up to 1M-token context. It runs locally on your machine to edit codebases, execute commands, search the web, and automate programming tasks through conversational agents.
No free planCode
Kimi K2 is Moonshot AI's open-weight mixture-of-experts model family built for agentic coding, long-context reasoning, and tool use, with releases such as K2.7 Code highlighted on Moonshot's official site. Developers access models through Kimi apps, Moonshot's open platform, and API docs rather than a separate K2 storefront.
Free to startCode
Kimi K2.6 is a general-purpose multimodal model on Kimi API Platform supporting text, image, and video input, thinking and non-thinking modes, tool calling, and a 256K-token context window. It targets chat, agent, visual understanding, and complex reasoning workloads billed per token.
Free tier unknownResearch
Kimpton provides evaluation infrastructure for models and agents, including private environments, behavioral benchmarks, and Koliseum-style live evaluations. Teams run benchmarks via CLI or API, compare checkpoints on long-horizon and multi-agent tasks, and export structured reports.
Free planCode
Kinde is a customer identity and access management platform covering authentication, user management, organizations, feature flags, billing, and customizable login experiences. It targets startups and SaaS teams with tiered MAU-based plans and optional monetization tooling.
Free tier unknownCode
Kinetix is a research lab combining 3D graphics and machine learning to understand and generate human motion for animation and AI video. It publishes models such as Kamo-1 for 3D-conditioned video generation and licenses animation technology to partners including Unity and Adobe Mixamo.
Free trialCode
Kinsta provides managed WordPress hosting, application hosting, database hosting, and related cloud services with performance, security, and MyKinsta dashboard tooling. Plans scale from single-site WordPress installs to agency and enterprise portfolios with optional add-ons.
Free to startCode
Kirby is a file-based PHP CMS that adapts to developers, designers, and content teams without imposing a fixed database schema. Licenses are sold per site with Basic and Enterprise tiers, volume discounts, and programs for students and nonprofits.
Free planCode
Kiro is an agentic engineering environment from AWS that turns prompts into specs, validates code, and runs parallel agents across large repos. It offers a desktop app, CLI installer, and credit-based paid tiers with access to open-weight and premium models.
Free tier unknownCode
Kissflow is an AI-assisted low-code and no-code platform for building custom enterprise apps, automating workflows, and governing citizen development. It targets IT and business teams modernizing operations across procure-to-pay, HR, and industry-specific processes.
Free trialCode
Klariqo provides human-grade voice AI for contact centers with cryptographically signed Klariqo Call Records on every conversation. The platform integrates with existing dialers, automates QA scoring, and targets regulated outbound and compliance-heavy calls.
Free planCode
KNIME provides a free open-source Analytics Platform for visual data science workflows spanning ETL, analytics, machine learning, and generative AI. Paid Hub plans add collaboration, automation, secrets management, and enterprise governance on top of the desktop builder.
Free planCode
Knock provides customer engagement infrastructure for product, marketing, and transactional messaging across in-app, email, push, chat, and other channels. Workflows, guides, broadcasts, and AI agent credits help teams orchestrate cross-channel notifications from one platform.
Showing 2,448 of 3,929 tools
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