CAST AI
Free tier available
Real-time cloud cost monitoring, budget alerts, and powerful analytics for optimizing cloud expenses.
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Browse 1,209 AI tools with a verified free option. See whether you’ll need a payment card to get started.
1,209 verified free tools
Free tier available
Real-time cloud cost monitoring, budget alerts, and powerful analytics for optimizing cloud expenses.
2026-09-26: CAST AI's official cost-monitoring page explicitly says users can manage Kubernetes expenses for free with real-time tracking, matching the listed cloud-cost-monitoring service.
Payment card: not confirmed
Free tier available
Automatically delete outdated emails, customize filters, and easily organize emails with an intuitive interface.
SaneBox says Email Deep Clean is provided free of charge; card requirement is not stated.
Payment card: not confirmed
Free tier available
Extract data, customize extraction, and analyze documents for feedback, sentiment, and market research.
2026-09-26: Relevance AI's official pricing page lists an ongoing $0 Free plan with 200 monthly actions for its AI-agent platform, which includes the listed document-processing workflow.
Payment card: not confirmed
Free tier available
Find AI solutions, resources, and stay updated with the latest trends.
Free-to-browse curated directory; no account or paid upgrade is indicated.
Payment card: not confirmed
Free tier available
Create stunning presentations effortlessly, customize with media and interactive elements, and share them seamlessly.
Official pricing offers $0 Free with 3 presentations/month and says no card is needed.
Payment card: required

Free tier available
Automate agenda creation, meeting summaries, search transcribed meetings, and track meeting effectiveness.
The official pricing page's Free plan includes five meeting transcripts per month, with summaries, transcription, and search.
Payment card: not confirmed
Free tier available
Embed calculator, provide instant delivery estimates, quick install, enhance customer experience.
2026-09-26: Official AfterShip page documents a Free widget version, with delivery-date ranges and a 1,000-customers/month display allowance; this is recurring usable functionality.
Payment card: not confirmed
Free tier available
Post anonymous messages, collect and analyze them, maintain privacy and safety in Slack channels.
Official pricing lists a free Hobby tier for casual use and says users can start for free without a credit card.
Payment card: not confirmed
Free tier available
Generate ideas, find perfect prompts, and sharpen creative skills with organized categories.
2026-09-26: The official Small Design Tools page publishes the listed creative ChatGPT prompt collection for direct access without a signup trial or recurring payment requirement.
Payment card: not confirmed
Free tier available
Automate text classification, analyze large datasets, and leverage visualization tools for data interpretation.
2026-09-26: Allen Institute’s official page says Objaverse-XL is openly available and hosted on Hugging Face, and links directly to download/get-started resources for the listed 3D asset dataset.
Payment card: not confirmed
Free tier available
Automates tasks, suggests responses, tracks progress for efficient conversations – boost productivity effortlessly.
The official FAQ says the ChatGPT Optimizer extension is free and will keep a free plan forever; it describes the extension's chat productivity features.
Payment card: not confirmed
Free tier available
Automate data migration, transfer securely & quickly, between databases, cloud storage, various formats & types.
The official Dolly repository publishes the model project under Apache 2.0 and includes a no-charge perpetual license for local use and modification.
Payment card: not confirmed
Free tier available
Automate customer support, generate search queries, and develop accurate NLG models with ease.
The official GPT4All project provides a local desktop LLM runtime and downloadable models, allowing ongoing inference on the user's own computer without a paid hosted subscription.
Payment card: not confirmed
Free tier available
Chat quickly, securely, review past conversations, customize experience with themes and emoticons.
2026-09-26: Microsoft's official Bing chat page provides the AI chat experience as an accessible service and does not document a paid subscription requirement for ordinary ongoing chat use.
Payment card: not confirmed
Free tier available
Transform black & white photos into vibrant images, customize colors, make adjustments, and share socially.
The official Google Play listing describes the Colorize Photos AI colorization app as free to use for coloring and restoring photos.
Payment card: not confirmed
Free tier available
Automate tasks, get personalized suggestions, manage tasks and stay organized with calendar integration and automated reminders.
LyfAI's official homepage explicitly says the product is always free and forever free, documenting ongoing free access to its Alexa-based item-location assistant.
Payment card: not confirmed
Free tier available
Automate predictive model building, find best configurations, identify issues, and deploy models into production.
2026-09-26: NannyML's official open-source repository publishes its model-monitoring library under an open-source license, allowing the listed regression-analysis software to be used on an ongoing basis without a product subscription.
Payment card: not confirmed
Free tier available
Create captivating subject lines and optimize emails using predictive analytics and sentiment analysis.
Ortto’s official AI Labs page offers the subject-line tester, and its official article says it is free and requires no signup; no card needed to use the standalone tool.
Payment card: required
Free tier available
Automate onboarding, process documents, create tasks, and manage them easily with a convenient dashboard.
Official game is playable directly in the browser with questions visible and no payment or sign-in gate.
Payment card: required
Free tier available
Identify hidden opportunities, analyze data efficiently, and stay organized with real-time updates and notifications.
The official pricing page lists a $0 Free Plan for exploring the influencer-marketing product, including creator discovery and its SocialiQ extension.
Payment card: not confirmed
Free tier available
Monitor customer behavior, customize engagement strategies, and track sales performance with powerful marketing tools.
The current official page identifies RAxter as Enago Read and lists an Always Free $0 Basic plan with 10 AI summaries and 10 key insights per month, up to 25 literature items, and five related-literature explorations; Copilot is labeled coming soon, so no free Copilot allowance is claimed.
Payment card: not confirmed
Free tier available
Automate pull request reviews, summarize changes, and generate metrics to measure impact.
The current official setup guide says the PR-review bot uses a free Flows Network account and can run an open-source model on a community node or a self-hosted machine.
Payment card: not confirmed
Free tier available
Find perfect job opportunities with tailored postings, alerts, resume tools, and career advice.
Job-search service appears freely usable; no paid tier or card requirement evidenced.
Payment card: not confirmed
Free tier available
Analyze large datasets, identify trends, correlations, and outliers, and create visually appealing visualizations.
Official page provides downloadable shapes and states they are free for personal or commercial projects.
Payment card: not confirmed
Free tier available
Create, customize, and share stunning videos effortlessly using AI algorithms, text, images, music, and more.
Official pricing lists a €0 Basic plan and the AI-content page offers free download of generated video copy and clips.
Payment card: not confirmed
Free tier available
Automate customer engagement, track responses, and gain insights into customer behavior with powerful analytics.
Developer offers the Mac app free via Gumroad with a $0 price option; tips are optional.
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Free tier available
Generate realistic API mocks, customize and manage them easily, and add custom authentication and authorization.
Public mock API generator is usable as a free tool; no card requirement indicated.
Payment card: not confirmed
Free tier available
Create interactive charts, customize their appearance, and access a library of templates and color schemes.
Official pricing lists a continuing $0 plan with limited charts, dashboards, and datasets; site says no card required.
Payment card: required
Free tier available
Share meeting details, agendas, notes, recordings, transcripts, and set reminders seamlessly between Zoom and Slack.
The current official Lite plan is free forever, includes five AI agents, and specifically lists Google Tasks, Slack, Zoom, and Google Meet support; this resolves ongoing free access for the listed Zoom-to-Slack status-sync integration.
Payment card: not confirmed
Free tier available
Create customized AI models, utilize advanced deep learning algorithms, and learn with accessible tutorials.
The current MIT-licensed OpenAI Cookbook remains freely readable and reusable as an ongoing collection of AI API examples and guides; its README makes clear that executing API examples requires a separate OpenAI API key, so no free inference allowance is claimed.
Payment card: not confirmed