How do most AI SaaS tools charge (credits vs monthly subscriptions)?

Most modern AI SaaS tools use hybrid pricing: an entry-level monthly subscription that includes a fixed monthly credit quota, paired with pay-as-you-go top-ups for high-volume LLM inference and generation.

Can I find free and open-source AI tools on SaaSearch?

Yes. You can filter listings by pricing model (Free, Freemium, or Paid) and tech stack. Many makers provide 100% free open-source tiers with self-hosting instructions and MIT licenses.

How are MRR and user counts verified for AI startups?

SaaSearch integrates directly with Stripe and Paddle telemetry to verify recurring monthly revenue, growth velocity, and active users, ensuring figures are authentic rather than estimated.

How can AI developers launch their product on SaaSearch?

Founders can submit their AI application for free. Once you add the verified SaaSearch launch badge to your homepage, your listing is published immediately to today's launch leaderboard with zero queue delay.

SaaSearch - The Search Engine for SaaS and AI products

35 products for Open source AI API (0.03 seconds)

Resume Builder CVAd

https://resume-builder.cv›hr & hiring›Resume Builder CV

Resume Builder CV: Supercharge your resume with an AI co-pilot and live ATS score checker.

Resume Builder CV is a free AI tool for job seekers, from freshers to professionals, enabling quick creation of ATS-optimized resumes. It... Read more

5.0(2)1upvote

Resume Builder AI Assistant Job Search

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Pen

https://pen.dev›design & creative›Pen

Pen: An agentic canvas for building bold software. - result 1

Sep 17, 2026 - Pen is an innovative agentic canvas designed for rapidly building and prototyping software. It allows users to import components from any app,... Read more

5.0(1)1upvote

AI Design UI/UX Design Prototyping

1pen

Cortex

https://cortexdocs.dev›developer tools›Cortex

Cortex: The open-source API knowledge layer for developers and AI agents. - result 2

Sep 14, 2026 - Cortex is an open-source platform designed to unify and streamline API delivery by transforming various API specifications (OpenAPI, GraphQL,... Read more

5.0(1)1upvote

API Management SDK Generation Developer Documentation

1cortexdocs

Verceltics '

https://verceltics-hosting-domains.com›ai & automation›Verceltics '

Verceltics ' Hosting & Domains: Verceltics is a private, native iPhone and iPad workspace for hosting, domains, deployments, analytics, search perfor... - result 3

May 15, 2026 - Verceltics is a private, native iPhone and iPad workspace for hosting, domains, deployments, analytics, search performance, speed, and uptime.... Read more

5.0(2)18upvotes$169 MRR−19.1% MoM

AI & Automation Micro-SaaS

2verceltics-hosting-domains

Umami

https://umamiengine.com›analytics & data›Umami

Umami: Open-source web analytics for understanding traffic and building integrations. - result 4

Sep 18, 2026 - Umami is an open-source web analytics platform designed to help users understand their website traffic and build robust data integrations. It... Read more

5.0(1)1upvote

Web Analytics Open Source Website Traffic

1umamiengine

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LLM Gateway

https://llmgateway.io›ai & automation›LLM Gateway

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May 15, 2026 - LLM Gateway is an open-source API gateway for Large Language Models (LLMs). It acts as a middleware between your applications and various LLM... Read more

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Nari Labs

https://narilabs.com›ai & machine learning›Nari Labs

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Sep 18, 2026 - Nari Labs offers cutting-edge Voice AI solutions, including Speech-to-Text (STT) and Text-to-Speech (TTS) models, delivered via simple... Read more

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Experiential Labs

https://experientiallabs.ai›developer tools›Experiential Labs

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Resume Builder CV: Supercharge your resume with an AI co-pilot and live ATS score checker.

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Resume Builder CV is a free AI tool for job seekers, from freshers to professionals, enabling quick creation of ATS-optimized resumes. It features an interactive AI co-pilot for dynamic drafting, rewriting, and tailoring, eliminating manual editing and formatting hassles for better job application success. Key Features & Capabilities: • Interactive AI co-pilot • Live ATS score checker • ATS-optimized resume creation • Eliminates manual editing & formatting

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