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Free tier unknownWriting
Kerlig is a macOS AI writing app for emails, Slack replies, Jira tickets, proofreading, and document chat. It integrates many model providers, MCP servers, shortcuts, and Agentic Mode that can read the screen and interact with apps from a global hotkey workflow.
Free tier unknownResearch
Kern Systems develops technology to store digital data in DNA, positioning molecular storage as a dense archival medium. The public site explains what, why, how, and team sections for the Cambridge-area company without a consumer software console.
Free planCode
KERNEL provides cloud browser infrastructure for AI agents and web automations, spinning up sandboxed Chromium sessions with stealth, managed auth, GPU acceleration, live view, and telemetry. Developers connect via CDP, WebDriver BiDi, Playwright, OpenAPI, MCP, or official SDKs in TypeScript, Python, and Go.
Free tier unknownAssistant
Kesem.ai helps creators build slideshows far faster using AI-assisted presentation workflows. The product site and app landing promote rapid slideshow creation, with subscription checkout handled through an embedded Stripe pricing table in the web app.
Free planOrchestration
Kestra is an open source declarative orchestration platform for data, infrastructure, and AI workflows. Teams define flows in YAML with thousands of plugins, event triggers, and language-agnostic tasks, with optional Kestra Cloud and Enterprise editions for managed or governed deployments.
Free to startCode
Kestrel AI builds deterministic workflow agents for platform engineering, turning plain-English descriptions into DAG automations for incident response, cloud provisioning, CI/CD, and developer requests. Engineers refine graphs visually or via Python SDK with 200+ actions across 40+ integrations.
Free tier unknownVideo
Kestroll is a video content engine that indexes long-form footage, answers natural-language search, and runs agents for clipping, podcast editing, rough cuts, and story scripting. It exports editable timelines to Adobe Premiere Pro, DaVinci Resolve, and shared storage workflows.
Free planAssistant
Ketch is enterprise privacy management software for consent, data subject rights, data mapping, and AI-ready governance. Its marketing site targets GDPR, CCPA, and U.S. state privacy compliance with self-serve tiers plus enterprise Pro deployments.
Free trialImages
Ketchup AI is a browser-based AI image editor and generator focused on hyperrealistic outputs, text rendering, and precise color control. Users generate or edit images with models such as Nano Banana 2, including image-to-image, text-to-image, and figure-style transformations without mandatory login on the homepage.
Free planCode
The KeY Project provides formal verification and symbolic debugging tools for Java programs. Researchers and educators use KeY to prove correctness against JML specifications, generate tests, and teach program verification with downloadable tooling and course material.
Free planWriting
KeyAI markets ChatOnline, an AI writing and chatbot platform for business content. Teams use templates across languages to draft marketing copy, with tiered word limits and self-serve signup from the public pricing page.
Free tier unknownImages
Keybe AI sells Biky, an emotional AI sales suite that automates WhatsApp and CRM workflows to boost conversions. The manifest site targets revenue teams with smart chat, CDP, funnels, outbound, and digital catalog modules integrated into Latin American sales operations.
Free planProductivity
Keyboard Counter is a free web page that tallies keystrokes as you press keys and shows a live Keys Hit count. It runs in the browser with no installation or account, and works with PC, laptop and Mac keyboards.
Free planCode
Keycloak is an open-source identity and access management platform from the CNCF ecosystem. It adds single sign-on, user federation, social login, and fine-grained authorization to applications with admin and account consoles and support for OpenID Connect, OAuth 2.0, and SAML.
Free tier unknownResearch
Keye is AI-powered private equity due diligence software that ingests raw deal files, automates data cuts and calculations, and returns structured investor-ready outputs with audit trails. The platform emphasizes zero data retention, no training on client files, and SOC II Type 2 certification.
Free planVoice
Keyframe Labs builds photoreal interactive AI avatars with ultra-low latency, emotion control, and image-to-avatar creation. Developers deploy sessions through SDKs and no-code components, choosing LLM and voice providers while routing traffic across multi-region infrastructure.
Free to startVideo
Keyframes Studio is an all-in-one browser editor for repurposing long videos into social-ready clips with subtitles and AI-assisted keyframes. Creators trim horizontal versus vertical layouts, apply templates, and export without learning heavyweight desktop NLE tools.
No free planCode
KeyHippo adds API key authentication and role-based access control on top of PostgreSQL Row Level Security, with first-class Supabase integration. It covers API key lifecycle, scopes, groups, roles, user impersonation, and high-throughput validation benchmarks for backend teams.
Free planResearch
Keymate.AI is an AI memory workspace for marketing, ops, and sales teams working inside ChatGPT. Users organize PDFs, Google Docs, YouTube links, and web pages into searchable collections, automate via Make.com, and optionally add paid credits for browsing and knowledge-base training.
Free planAssistant
KeyMentions automates Reddit marketing by tracking brand keywords and alerting users to relevant threads. Teams create projects, monitor keyword mentions, generate AI comment drafts, and optionally auto-publish responses to convert community traffic.
Free tier unknownAssistant
Keynua provides electronic signature and identity verification workflows, including video signature, advanced signature, and selfie or video identification products. The platform targets HR, commercial contracts, and regulated industries that need legally robust, conversion-oriented signing experiences.
Free trialResearch
Keysha is a voice-first AI assistant for iOS and iPad that helps neurodiverse and busy professionals plan their day. Users brain-dump tasks by voice, sync calendars, and receive adaptive prioritization when schedules shift, with Premium unlocking unlimited voice and SMS nudges.
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.
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