Free AI Tools for Tech & Development

The current $0 Free plan includes 500 predictions per month with one user seat and access to 15 models.

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2026-09-26: The creator's Gumroad product page offers the exact high-ticket prompt bundle as pay-what-you-want and explicitly permits entering $0 to download it, confirming usable free access to the listed content.

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Official Microapp builder page describes the AI app-building service as free forever, establishing continuing usable free access to the listed builder.

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Official pricing lists a $0 Free Plan with basic authentication features for up to 25,000 monthly active users, establishing repeatable monthly use of the listed service.

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Official pricing lists the Free plan as free forever with unlimited forms and 1,000 responses per month, sufficient for recurring form use.

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Official pricing lists a Lifetime $0/month Individuals plan with 250 recipients and access to its global gift marketplace and smart gifting service.

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The official NannyML repository provides its model-monitoring library under Apache 2.0, usable locally without a paid SaaS subscription.

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CVAT Online offers a free plan for one to two members with no credit card required for its annotation service.

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2026-09-26: The creator's Gumroad page offers the listed 150 copywriting prompts as pay-what-you-want and explicitly allows a $0 download, documenting a usable no-cost version of this prompt bundle.

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Official pricing offers live link previews on the $0 plan with 2,500 unique previews per month; the free plan remains usable within its limits.

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Official pricing lists a $0 Free plan with recurring hosted workspace capacity, including 3,000 rows per workspace and 2 GB storage.

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Official Gumroad listing is $0+ for downloadable marketing prompt templates.

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Official pricing lists a Free plan at $0 per month from 1,000 monthly active users and describes free CRM/content functionality.

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Official pricing lists a $0 Free Forever chatbot plan with Gemini 2.0 Pro and 35 message credits per month; inactive bots are deleted after 14 days.

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The listed Backengine domain currently resolves to cto.new. Its official page offers hosted AI business-building and coding free forever, with daily limits resetting, ads, and no card or API key required; this is not merely free source code or a trial.

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Official pricing calls Recall Free and lists 10 AI summaries per month plus unlimited saved content and notes; the page also states the tier is free forever.

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The official FAQ says users can get started free, create an AI chatbot, and share it with teammates without a credit card; pricing confirms the free plan has no time limit. The page distinguishes paid business use, so this confirms the free create-and-share capability, not free business embedding or an unstated message quota.

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GitHub's current Copilot plans page lists Copilot Free at $0 with recurring monthly limits for AI code completions and chat.

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The current public repository provides the exact listed MidJourney styles-and-keywords reference as a freely readable prompt resource; it does not claim free image generation, which is outside this reference listing's identity.

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Official pricing lists a continuing $0 personal plan with CAD tools and unlimited public storage.

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Official documentation describes open-source LLM and agent development tools for tracing evaluation and prompt management alongside machine-learning workflows. These self-hosted tools are available for continuing use without a recurring service charge.

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The official Mozilla DeepSpeech repository publishes the speech-to-text engine and model resources as open-source software that can be run locally without a subscription.

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Official pricing lists a $0 Free CMMS plan with work orders, asset management, downtime tracking, 25 active preventive-maintenance tasks, and unlimited service requests.

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WriteLaTeX transitioned to Overleaf, whose official AI documentation confirms a daily-resetting Basic AI allowance on the Free plan (including occasional error, formula, and writing assistance); the AI assistant is excluded from Free, but the documented basic AI uses are ongoing.

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Official plans list a $0/month Free plan with online LaTeX writing and compilation, usable beyond a trial period.

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Official pricing FAQ says self-serve plans include a free tier usable indefinitely.

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The official Tesseract repository distributes the OCR engine under an open-source license for ongoing local text recognition without subscription fees.

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Official plans include a free tier with two applets and unlimited applet runs.

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Official pricing lists DDN Free as always $0 for building and running a supergraph, with ongoing developer and observability capabilities.

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Official pricing lists Libib Basic at $0/month for managing personal libraries and states no credit card is required.

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