Explore Free AI Tools

Official pricing describes a free-forever plan with a usable booking page and basic scheduling features.

Payment card: not confirmed

Official pricing documents a free SEO Spider version that can crawl up to 500 URLs; this is a usable recurring free capability of the listed product.

Payment card: not confirmed

Official Ahrefs offers free AI writing tools and says the tools are available without a subscription; the writing tools remain usable online without trial credits.

Payment card: not required

Official Moz API pricing documents a Free plan with a continuing usage quota and confirms that users can upgrade from that plan at any time.

Payment card: not confirmed

Official pricing lists a $0 Free plan with 15,000 credits per month for paperwork automation; the monthly credit allowance is stated as recurring.

Payment card: not confirmed

Official Social Champ site advertises a free-forever plan for its social media publishing workspace, with no credit card required.

Payment card: not confirmed

GitHub's official pricing includes recurring Actions usage in its Free offering, and public-repository Actions usage is free; this documents ongoing use of the listed CI service.

Payment card: not confirmed

Official pricing lists a $0/month Free plan with up to 6,000 build minutes and up to five active users per month; monthly free-plan credits reset each month. Reviewed 2026-09-26.

Payment card: not confirmed

Official New Relic pricing states its perpetual Free tier includes 100 GB of data ingest per month and access to 50-plus capabilities.

Payment card: not confirmed

Official pricing provides a $0 Free plan with 100 prompt executions per month; the official homepage describes AI-generated test code and recommendations, establishing recurring usable free AI functionality.

Payment card: not confirmed

Official Vision API pricing states the first 1,000 units each month are free for image-analysis features; this is a recurring monthly allowance for the listed AI capability.

Payment card: not confirmed

The official CMUSphinx project provides PocketSphinx as released open-source speech-recognition software, so the listed speech-recognition capability remains usable without a paid plan.

Payment card: not confirmed

Official Kaldi legal page states its speech-recognition toolkit is released under Apache 2.0 and may be used for free including commercially.

Payment card: not confirmed

Official pricing documents a Free tier with 120 minutes per month for AI transcription, subtitling, and translation, plus 10 AI-chat file analyses per month.

Payment card: not confirmed

Official Azure Speech pricing lists a recurring Free F0 tier, including 5 audio hours per month for standard speech-to-text and 0.5 million neural text-to-speech characters per month.

Payment card: not confirmed

The official subscription page lists a Basic plan that is always free and permits as many files as desired up to one minute each; its free text-to-speech service is usable beyond a single trial grant.

Payment card: not confirmed

The official CMUSphinx page announces the current PocketSphinx release and provides source downloads and installation instructions; the project's official repository README identifies it as a speech recognizer and cites its BSD-like free-software basis, establishing a usable continuing capability.

Payment card: not confirmed

Official AI Studio pricing lists a Standard Plan at $0 per month with self-deployed conversational AI agents; this is a continuing free plan, not merely a trial.

Payment card: not confirmed

The official Kaldi site points to this public source repository as the Kaldi toolkit. The continuously available speech-recognition toolkit can be cloned and run without a trial or finite signup credit.

Payment card: not confirmed

Google Cloud's official Speech-to-Text V1 pricing table prices the first 60 minutes of standard speech recognition at $0 per account each month. This is a recurring monthly allowance for the listed speech-to-text AI capability.

Payment card: not confirmed

Microsoft's current Azure Speech pricing lists the F0 free tier with five hours of real-time speech transcription per month, a recurring free allowance for a listed speech capability.

Payment card: not confirmed

Acapela's official My-Own-Voice page says the created synthetic voice can be used for free in its website type-and-talk box; this is continuing access to the listed AI voice capability.

Payment card: not confirmed

The official Slate repository publishes the documentation-site generator as open-source software that can be built and run locally without a subscription.

Payment card: not confirmed

Official plans page describes a continuing Free membership for basic stock research and market information.

Payment card: not confirmed

The official Storyboarder page offers the storyboard software as a free downloadable application for ongoing use; the listed product does not require a subscription.

Payment card: not confirmed

The official Heron repository publishes the stream-processing framework for local deployment and use without a recurring product subscription.

Payment card: not confirmed

Official pricing lists 45 AI transcription and caption minutes per month under Limited Free Access; the monthly allowance is continuing rather than a one-time signup credit.

Payment card: not confirmed

Official pricing offers a $0 Basic free account with unlimited surveys, establishing repeatable ongoing survey creation.

Payment card: not confirmed

Official pricing lists Basic at $0 with survey creation and Build with AI; the free plan supports repeat survey creation with per-survey limits.

Payment card: not confirmed

Official pricing offers a Free Forever plan with all Pro Max features; the official product page identifies AI survey creation as a feature included in plans. Usage is limited by response and email quotas, but it is not trial-only.

Payment card: not required