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Open Source Projects using Google

A curated collection of the 25 best open source software using Google. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Visual builder for AI agents and RAG pipelines
  • Stars

    156,345
  • Last commit

    9 hours ago
  • License

    MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Open Source Alternative to:

Unified observability for metrics, logs, traces, and more
  • Stars

    77,706
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.

Open Source Alternative to:

Self-host your own scheduling page, no vendor required
  • Stars

    49,700
  • Last commit

    2 days ago
  • License

    MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Open Source Alternative to:

Free instant whiteboard with real-time collaboration
  • Stars

    51,255
  • Last commit

    18 hours ago
  • License

    Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.

Open Source Alternative to:

Build AI copilots for your product in hours, not months
  • Stars

    38,527
  • Last commit

    13 hours ago
  • License

    MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Open Source Alternative to:

Fast, collaborative wiki for teams who need organized docs
  • Stars

    41,177
  • Last commit

    11 hours ago
  • License

    BUSL-1.1
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.

Open Source Alternative to:

Build powerful web apps without complex coding
  • Stars

    28,384
  • Last commit

    18 hours ago
  • License

    Unknown
Low-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.

Open Source Alternative to:

Self-hosted music streaming for your personal collection
  • Stars

    24,534
  • Last commit

    1 day ago
  • License

    GPL-3.0
Open source music server that streams your personal library via a web player or any Subsonic-compatible mobile app on iOS and Android.

Open Source Alternative to:

Classic, agile, or hybrid project management, self-hosted
  • Stars

    Stars growing over the last 30 days17,007
  • Last commit

    5 hours ago
  • License

    GPL-3.0
Full-featured project management platform with Gantt charts, agile boards, time tracking, and team collaboration. Self-host or use managed cloud hosting.

Open Source Alternative to:

Create powerful chatbots without coding
  • Stars

    10,605
  • Last commit

    10 days ago
  • License

    Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Open Source Alternative to:

Your all-in-one marketplace for digital creators and products
  • Stars

    Stars growing over the last 30 days10,095
  • Last commit

    5 hours ago
  • License

    MIT
A digital marketplace platform where creators can sell digital products, from courses to software, with built-in payment processing and content delivery.

Open Source Alternative to:

Flexible spreadsheets with database power
  • Stars

    12,049
  • Last commit

    7 hours ago
  • License

    Apache-2.0
A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.

Open Source Alternative to:

Feature flags for rapid, risk-free software deployment
  • Stars

    13,934
  • Last commit

    20 hours ago
  • License

    AGPL-3.0
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.

Open Source Alternative to:

Track, analyze, and optimize your investments effortlessly
  • Stars

    9,651
  • Last commit

    17 hours ago
  • License

    AGPL-3.0
Open-source wealth management software for tracking stocks, ETFs, and cryptocurrencies across multiple portfolios

Open Source Alternative to:

Magical data pipeline tool for seamless transformations
  • Stars

    8,841
  • Last commit

    13 days ago
  • License

    Apache-2.0
Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Open Source Alternative to:

Comprehensive open-source business management platform
  • Stars

    Stars growing over the last 30 days8,695
  • Last commit

    1 day ago
  • License

    AGPL-3.0
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations

Open Source Alternative to:

Open-source BI for modern data teams
  • Stars

    6,222
  • Last commit

    6 hours ago
  • License

    MIT
Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.

Open Source Alternative to:

Create powerful forms with ease and flexibility
  • Stars

    Stars growing over the last 30 days3,985
  • Last commit

    1 day ago
  • License

    AGPL-3.0
A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools.

Open Source Alternative to:

Craft flexible, beautiful digital experiences with ease
  • Stars

    3,972
  • Last commit

    2 months ago
  • License

    Apache-2.0
A powerful, open-source CMS for Laravel that simplifies content management with a modular approach and intuitive admin panel.

Open Source Alternative to:

Open-source customer engagement platform for automation
  • Stars

    3,044
  • Last commit

    24 days ago
  • License

    MIT
Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.

Open Source Alternative to:

Unified API development ecosystem for modern teams
  • Stars

    2,620
  • Last commit

    8 months ago
  • License

    AGPL-3.0
All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.

Open Source Alternative to:

Create custom spaces to chat, game, and connect globally
  • Stars

    2,021
  • Last commit

    6 hours ago
  • License

    MIT
Build your own community space for gaming, chatting, and hanging out with friends worldwide. Customize your environment for the perfect social experience.

Open Source Alternative to:

Transform your time tracking into actionable insights
  • Stars

    932
  • Last commit

    2 days ago
  • License

    GPL-3.0
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.

Open Source Alternative to:

Secure secret management with public key encryption
  • Stars

    768
  • Last commit

    5 days ago
  • License

    MIT
Secure secret management platform with public key encryption, automated rotation, versioning, and real-time collaboration tools for development teams.

Open Source Alternative to:

Open-source ideation tool for product feedback management
  • Stars

    451
  • Last commit

    5 days ago
  • License

    Apache-2.0
ClearFlask is an open-source platform for collecting, analyzing, and acting on customer feedback to drive product development.

Open Source Alternative to: