Free AI Tools for Developer

$0 plan includes 5 credits per month for AI app generation/modification.

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Official repository (redirects from listed repo) describes an open-source AgentFacts SDK; installation via pip, no paid service or card required.

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Official pricing says local test runs are free and unlimited on every plan; $0 trial is one-time, but not needed for ongoing local use.

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The official Meta Research repository publishes Shumai, its TypeScript machine-learning library, as public source code for local use without a recurring hosted-service charge.

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Current pricing lists a $0 Free plan with native GitHub integration and integrated PR review checks; only the review quantity and automations are limited.

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Public mock API generator is usable as a free tool; no card requirement indicated.

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The official Apache Mahout project describes scalable machine-learning applications and provides its source under the Apache-2.0 open-source license, establishing ongoing no-cost access to usable ML software.

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2026-09-26: Official TensorFlow.js documentation describes machine-learning development in JavaScript; the provider's public repository grants ongoing use under Apache License 2.0.

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Mapbox's official usage pricing documents free monthly usage tiers for its map and navigation products before metered charges apply, establishing recurring free capability.

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The official repository provides the Stable Diffusion WebUI under an open-source license for repeatable local image generation without subscription.

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The official pricing page includes a zero-dollar AI detection plan and states the humanizer has 500 lifetime words; the AI detector remains a usable free listed capability.

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