Quality AI tools with free tiers or completely free pricing.
100 tools
MLflow is an open-source platform that manages the entire machine learning lifecycle from experimentation to production. It provides experiment tracking, model versioning, packaging, and deployment capabilities. Used by data science teams to reproduce results, collaborate on projects, and maintain model governance.
Open-source data quality framework for validating, documenting, and profiling data. Define expectations as tests that run against your data pipelines.
Open Source React.js Library for AI Chat
BrowserOS is an open-source agentic browser that automates web tasks. Developers can build custom agents that interact with websites, fill forms, and run workflows.
Open-source monitoring for machine learning models
Open source Voice AI
Free Instant AI Alt Text Generator.
We offer free software that automates bureaucracy for real-estate…
Train AI models easily: no code, instant feedback, multiple data types.
Open source tools of modern distributed systems.
Listmonk is a self-hosted, open-source email marketing platform. Manage subscriber lists, design campaigns, and automate workflows without per-subscriber pricing or vendor lock-in. Full control over data and infrastructure.
Open-source, local-first apps that share a memory.
EspoCRM is an open-source customer relationship management platform that helps sales and marketing teams manage leads, contacts, and deals through customizable workflows. It offers a cost-effective alternative to enterprise CRM solutions with robust automation capabilities and flexible deployment options.
Node-RED is a low-code visual programming tool that enables sales and marketing teams to create automated workflows by connecting APIs, databases, and services through a drag-and-drop interface. It streamlines data integration and process automation without requiring extensive coding knowledge, making it ideal for building custom marketing automation pipelines and sales data workflows.
Wave is a free accounting and invoicing platform designed for small businesses and freelancers. It streamlines financial management with automated bookkeeping, payment processing, and financial reporting capabilities.
Instant, no fee international remittances.
Open-source Retool for enterprise
NetBox is an open-source infrastructure resource modeling (IRM) application designed for network automation and documentation. It helps sales and marketing teams manage network infrastructure data, track assets, and maintain accurate network documentation for better customer implementations and technical sales support.
The simple, fast and free tool for businesses to pay and get paid
Clarity is a design solution for free heatmaps by microsoft. Key capabilities include real-time heatmaps, session recordings, and user journey analysis.
Schwab Intelligent Portfolios is a no-fee robo-advisor that uses AI to build and manage diversified investment portfolios. It automatically rebalances your holdings, executes tax-loss harvesting to minimize taxes, and adjusts allocation based on market conditions. Available for accounts with $50K or more, with no advisory fees or commissions.
Mautic is an open-source marketing automation software.
Prometheus is an open-source monitoring and alerting toolkit for DevOps teams. It features a multi-dimensional data model, powerful PromQL query language, and custom metric alerting for proactive system reliability management.
RethinkDB is an open-source, scalable database designed to simplify the development of realtime applications, enabling developers to push JSON data to apps in real-time.
Open source continuous profiling software to debug performance issues
Open source alternative to DataDog
Research and data to make progress against the world’s largest…
The simplest way for couples to manage money, together
Open-source framework for building serverless applications
Reddit is a social platform where B2B teams monitor industry conversations and engage with prospects. Use it to gather market intelligence, identify prospects, and build thought leadership in relevant communities.
Open-source time-series data analytics extension for PostgreSQL
We setup Immigrants with a free US Bank Account, Credit Card, SIM…
One Degree is a nonprofit organization that makes it easy for…
Open source operating system for robots
Open-source, dev-friendly observability.
Vote.org helps users register to vote, check registration status, and access election information. It sends reminders via SMS and email, locates polling places, and provides vote-by-mail request forms. The tool is for voters in the US, offering a centralized resource for election participation. It integrates with government databases for accurate registration and polling data.
The super simple stablecoin wallet with free transactions
80,000 Hours is a nonprofit research organization that guides talented professionals toward careers with the greatest positive impact. It offers evidence-based frameworks for career choice, job search tools, and connections to purpose-driven roles.
InvoicePlane is an open-source invoicing and billing platform that helps sales teams manage client billing, track payments, and generate professional invoices. It provides essential CRM functionality for small businesses to streamline their revenue operations and maintain client relationships through automated billing processes.
Yarn is a engineering solution for javascript package manager. Key capabilities include fast dependency installation, offline mode for package management, and workspaces for managing multiple packages.
Bun is a engineering solution for fast javascript runtime. Key capabilities include ultra-fast execution speed, built-in bundler and transpiler, and native support for typescript.
Argo CD is a devops solution for gitops continuous delivery for kubernetes. Key capabilities include declarative gitops approach for kubernetes, automated deployment and rollback capabilities, and real-time monitoring of application health.
osTicket is an open-source help desk ticketing system that streamlines customer support operations through automated ticket routing and management. It enables support teams to efficiently track, prioritize, and resolve customer inquiries while maintaining detailed communication histories.
Linkerd is a devops solution for lightweight service mesh. Key capabilities include lightweight and high-performance service mesh, automatic service discovery, and traffic management and routing.
WWCode is a non profit that empowering diverse women to excel in tech.
Connecting low-income HS students with free, 24/7 online tutoring
iJigg is a social music site that lets users vote on submitted singles using Digg-like voting. The site's home page shows what popular or recent singles the iJigg community is "jigging." Users can rat
Recover offers effective, tech-enabled substance use treatment with telehealth options, ensuring accessibility and comprehensive care for all patients.
Scrapy is an open-source Python framework for extracting structured data from websites at scale. It enables sales and marketing teams to gather competitive intelligence, prospect data, and market insights through automated web scraping with built-in handling of requests, following links, and exporting data.
Free form builder for surveys, quizzes, and data collection, integrated with Google Sheets.
k9s is a terminal UI for managing Kubernetes clusters. Provides real-time pod monitoring, resource viewing, and cluster navigation without leaving the CLI. Simplifies kubectl workflows for operators.
Blender is a design solution for open source 3d creation. Key capabilities include 3d modeling and sculpting, animation and rigging tools, and rendering with cycles and eevee.
Manager.io is free accounting software for Windows, Mac, and Linux. It offers comprehensive features expected from an accounting package and allows users to work offline without any limitations.
Reveal.js is an open-source framework for building HTML-based presentations with animations and multimedia support. Popular with developers and technical teams for code-heavy decks.
TiddlyWiki is a self-contained wiki platform for non-linear documentation. Teams build knowledge bases with linked information, custom tags, and interconnected notes without requiring a server.
QOwnNotes is a free, open-source note-taking app that uses Markdown text files, giving users simple, flexible, and full control over creating, organizing, and managing notes across different systems. It is designed for privacy-conscious users, allowing complete data ownership.
ProcessWire is a free content management system (CMS) and framework (CMF) built to save you time and work the way you do. With all custom fields, a secure foundation, proven scalability and performance.
Zettlr supports your writing process at every stage — from initial notes to journal submission or book manuscript. It is Free and Open Source software, ensuring that your notes stay where you put them without forced cloud synchronization.

Helm is a devops solution for kubernetes package manager. Key capabilities include simplifies deployment of applications on kubernetes, manages kubernetes applications with helm charts, and supports versioning of applications.
Lens is a devops solution for kubernetes ide. Key capabilities include intuitive graphical interface for managing kubernetes clusters, real-time monitoring of cluster health and performance, and integrated terminal for executing kubectl commands.
Dokos is an open-source ERP and CRM platform that provides comprehensive business management capabilities including sales pipeline tracking, customer relationship management, and financial operations. It offers sales teams integrated tools for lead management, opportunity tracking, and revenue forecasting while maintaining seamless integration with accounting and inventory functions.
Spiceworks is an IT help desk and network monitoring platform that enables IT teams to manage support tickets, track assets, and monitor network infrastructure. It provides a comprehensive solution for internal IT support with community-driven knowledge sharing and vendor management capabilities.
Google Fonts is a design solution for free web fonts. Key capabilities include extensive library of open-source fonts, easy integration with web projects, and customizable font styles and weights.
KMyMoney is an open-source personal finance management application that helps small businesses and freelancers track expenses, manage budgets, and generate financial reports. While primarily designed for personal use, it offers basic accounting features that can support simple business financial tracking and expense management for sales teams.
LibreOffice is a comprehensive open-source office suite that provides spreadsheet, document, and presentation tools for business teams. It offers robust data analysis capabilities, collaborative features, and complete compatibility with Microsoft Office formats, making it ideal for cost-conscious organizations seeking powerful productivity tools.
GnuCash is an open-source accounting software that helps small businesses and sales teams track financial transactions, manage invoices, and monitor revenue. It provides essential financial management capabilities for teams who need basic accounting functionality without the complexity of enterprise solutions.
Nextcloud Talk is a privacy-friendly open-source video conferencing and team collaboration solution. Nextcloud Talk enables secure collaboration for hybrid teams and improves productivity and connectivity from anywhere. Without lock-in effects and dependency on proprietary providers, its flexible open-source architecture enables customization to the specific needs of companies and seamless integration into existing systems. Nextcloud Talk is part of the Nextcloud Hub a self-hostable platform for
Snipe-IT is an open-source IT asset management platform that helps organizations track hardware, software, and digital assets throughout their lifecycle. It provides comprehensive inventory management, check-in/check-out functionality, and detailed reporting to optimize asset utilization and reduce operational costs.
ERPNext is an open-source Enterprise Resource Planning platform that includes comprehensive CRM functionality alongside accounting, inventory, and project management. It provides sales teams with lead tracking, opportunity management, and customer relationship tools while integrating seamlessly with other business operations.
Jekyll is a static site generator that transforms plain text into static websites and blogs. It enables sales and marketing teams to quickly build fast-loading, secure websites for campaigns, landing pages, and content marketing without complex database management.
PrestaShop is an open-source e-commerce platform for creating and managing online stores with zero licensing fees. It includes product catalog management, payment gateway integration, inventory tracking, and multi-channel selling capabilities.
Forgejo is a lightweight, open-source Git platform for self-hosted code management. It's a community-maintained fork of Gitea, ensuring it remains independent and free from corporate acquisition. Teams deploy Forgejo on their own servers for full control over repositories and code access.
Vikunja is an open-source, self-hostable task and project management application that organizes work into hierarchical projects and subprojects. It offers multiple viewing modes including traditional lists, Kanban boards, Gantt charts, and table views to suit different workflows. The platform supports team collaboration through project sharing, task assignment, and user management, while also providing features like due dates, labels, recurring tasks, and email reminders.
Offen is a web-analytics service from Germany. It is open-source and protects users' rights by encrypting their data and allowing them to view what data is stored about them and delete it if they wish too. In addition, user data is only stored for 6 months and their consent banner is available in English, French, German, Portuguese, Spanish, and Vietnamese.
Google Calendar is a scheduling tool for teams using Google Workspace. It offers shared calendars, event reminders, and Google Meet integration. Syncs across devices. Free.
Google Tag Manager lets marketers and analysts deploy tracking tags for analytics and marketing tools without modifying site code. It offers version control, real-time previews, and templates for common tags. Integrates with Google Analytics and other platforms. Free to use.
Hostpoint Meet is a free video conference service from Switzerland. They feature: video and audio conferencing, without registration or installation, an integrated chat function, screen sharing, background blurring and no time or number of participants limitation.
GMX Email offers free webmail, calendar, and contact management for German-speaking users. It includes CalDav and CardDav support, spam protection, and virus scanning. Targets users needing a secure, feature-rich email service in German.
Bunny Fonts is a EU-based font service that is designed to be a direct drop-in replacement for Google Fonts. The service is offered for free by the content delivery network (CDN) provider Bunny. Simply swap "https://fonts.bunny.net/css" in place of "https://fonts.googleapis.com/css" on your website's source code to use Bunny Fonts instead of Google Fonts.
Poll For All is a survey tool from Estonia. They offer efficient, free (ad-financed) and unlimited solutions for businesses, educators and individuals.
Joplin is an open-source note-taking application with end-to-end encryption, with its associated cloud service operated by a company based in France. The application enables users to create, organize, and synchronize notes across multiple devices, while also supporting local storage and third-party cloud services. User data remains fully under individual control at all times. Joplin is cross-platform and suitable for both personal and professional use.
Nextcloud Deck is a simple open source Kanban project management application for the Nextcloud suite. It allows organizing tasks together with other users, who can comment, label tasks and attach files.
Codeberg offers Git-based version control for open-source projects. It provides collaborative project management, issue tracking, pull request reviews, and customizable wikis. Built with Forgejo, it serves developers and open-source communities. The platform is free and hosted in Germany.
Gitea is a lightweight, open-source Git service for self-hosted repositories. It offers issue tracking, project management, and a customizable UI. It is designed for developers and teams needing a fast, self-managed alternative to GitHub or GitLab.
deSEC is a free and nonprofit managed DNS provider from Germany. deSEC focuses on security features like DNSSEC and DANE and supports many modern record types. The software of the service is open source, and they use a global network of servers for low latency.
Kroki provides a unified API with support for various diagram types, allowing users to create diagrams from textual descriptions quickly and easily. It is a free and open-source service that aims to simplify the diagram creation process for developers and teams.
npm is a engineering solution for node package manager. Key capabilities include package version management, dependency resolution, and script running capabilities.

GoAccess is an open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser. It provides fast and valuable HTTP statistics for system administrators that require a visual server report on the fly.
pnpm is a engineering solution for fast package manager. Key capabilities include efficient disk space usage through symlinks, fast installation speed due to parallel processing, and supports monorepos with ease.
Mercury is a finance solution for banking for startups. Key capabilities include no monthly fees for accounts, virtual and physical debit cards, and easy integration with accounting software.
Gephi is an open-source network visualization platform that helps sales and marketing teams analyze complex relationship networks and data connections. It enables teams to visualize customer relationships, identify key influencers, and uncover hidden patterns in deal networks to optimize their go-to-market strategies.
Rumi is a free Chrome extension that rewards users for streaming content on supported platforms. It analyzes video streams to provide insights while ensuring user privacy and data security.
AWStats is a powerful web analytics tool that analyzes server log files to provide detailed insights into website traffic, visitor behavior, and performance metrics. It helps sales and marketing teams understand user engagement patterns and optimize their digital strategies with comprehensive traffic analysis.
SOGo is an open-source collaboration platform that provides email, calendar, and contact management with groupware functionality. It serves as a cost-effective alternative to proprietary solutions, enabling teams to synchronize and manage communications across multiple devices and clients.

Etar is an open-source calendar application that provides enhanced scheduling and time management capabilities beyond traditional calendar tools. It offers customizable views, offline functionality, and integration options that help sales and marketing teams better organize client meetings, campaign timelines, and team coordination activities.
Excalidraw is a collaborative drawing tool that allows users to create diagrams and illustrations in real-time. All your data is saved locally in your browser, ensuring privacy and ease of access.
Steemit is a blockchain-based social media platform that rewards content creators with cryptocurrency for their posts and engagement. Sales and marketing teams can leverage it for thought leadership content distribution and community building in the crypto/blockchain space.
Hoppscotch is a engineering solution for open source api development. Key capabilities include real-time api testing, support for multiple request types (get, post, put, delete), and environment management for different api setups.
Umami is a privacy-focused web analytics platform that provides simple, cookieless website tracking and insights. It offers GDPR-compliant analytics with clean dashboards, helping sales and marketing teams understand visitor behavior without compromising user privacy or requiring consent banners.
4Chan offers a unique online experience for users to connect through live streaming. The platform has been optimized for mobile access, providing various features to enhance user engagement.