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Open Source Projects using GCP

A curated collection of the 151 best open source software using GCP. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Secure storage and access control for secrets and sensitive data
  • Stars

    36,423
  • Last commit

    21 hours ago
  • License

    Unknown
Manages tokens, passwords, certificates, and encryption keys through a UI, CLI, or HTTP API, with dynamic credentials and encryption-as-a-service built in.

Open Source Alternative to:

Open source infrastructure as code tool
  • Stars

    30,600
  • Last commit

    1 day ago
  • License

    MPL-2.0
A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.

Open Source Alternative to:

Secure secret management for modern development teams
  • Stars

    29,972
  • Last commit

    13 hours ago
  • License

    MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.

Open Source Alternative to:

Open-source vector database for AI search and retrieval
  • Stars

    29,570
  • Last commit

    23 hours ago
  • License

    Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Open Source Alternative to:

Visual React editor with real-time code updates
  • Stars

    26,999
  • Last commit

    3 days ago
  • License

    Apache-2.0
Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.

Open Source Alternative to:

Automate workflows with no-code integration platform
  • Stars

    25,204
  • Last commit

    3 hours ago
  • License

    MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.

Open Source Alternative to:

High-performance object storage designed for AI workloads
  • Stars

    61,299
  • Last commit

    6 months ago
  • License

    AGPL-3.0
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability

Open Source Alternative to:

Cost-effective log aggregation that indexes labels, not full text
  • Stars

    29,053
  • Last commit

    35 minutes ago
  • License

    AGPL-3.0
Horizontally scalable, multi-tenant log aggregation system that stores and queries logs using label-based indexing instead of full-text indexing, keeping storage costs low.

Open Source Alternative to:

Build unlimited AI apps locally with zero vendor lock-in
  • Stars

    22,050
  • Last commit

    2 days ago
  • License

    Apache-2.0
Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.

Open Source Alternative to:

All-in-one workspace for project, chat, and docs
  • Stars

    27,983
  • Last commit

    2 days ago
  • License

    EPL-2.0
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.

Open Source Alternative to:

Automate any website workflow with AI and computer vision
  • Stars

    23,264
  • Last commit

    16 minutes ago
  • License

    AGPL-3.0
Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.

Open Source Alternative to:

Build powerful web apps without complex coding
  • Stars

    28,348
  • Last commit

    1 day ago
  • License

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

Open Source Alternative to:

Take control of your identity with a secure, flexible solution
  • Stars

    26,081
  • Last commit

    1 hour ago
  • License

    MIT
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Open Source Alternative to:

Self-hosted wiki with AI, compliance, and real-time editing
  • Stars

    22,083
  • Last commit

    7 hours ago
  • License

    AGPL-3.0
Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedRAMP, and GDPR.

Open Source Alternative to:

Flexible database meets intuitive spreadsheet interface
  • Stars

    21,924
  • Last commit

    8 hours ago
  • License

    AGPL-3.0
Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Open Source Alternative to:

Python-native workflow orchestration for data and ML teams
  • Stars

    24,068
  • Last commit

    2 hours ago
  • License

    Apache-2.0
Orchestrate data pipelines, ML jobs, and agent workflows in plain Python with automatic retries, scheduling, and a unified UI for every run across your infrastructure.

Open Source Alternative to:

Build resilient applications with durable execution workflows
  • Stars

    23,961
  • Last commit

    1 hour ago
  • License

    MIT
Open source platform that eliminates infrastructure complexity by handling failures, network issues, and long-running processes to ensure reliable workflow execution

Open Source Alternative to:

Infrastructure as code in your favorite language
  • Stars

    25,813
  • Last commit

    5 hours ago
  • License

    Apache-2.0
Pulumi enables developers to define and manage cloud infrastructure using familiar programming languages instead of domain-specific languages.

Open Source Alternative to:

Unify data models and metrics across your entire stack
  • Stars

    21,070
  • Last commit

    1 hour ago
  • License

    Unknown
Cube is a universal semantic layer that connects data sources to analytics tools, providing consistent definitions and fast queries.

Open Source Alternative to:

No-code web scraping, crawling, and extraction platform
  • Stars

    18,022
  • Last commit

    2 hours ago
  • License

    AGPL-3.0
Turn any website into structured data using a visual recorder, natural language prompts, or API. Includes proxy rotation, scheduling, and webhook integrations.

Open Source Alternative to:

Privacy-first knowledge base with any AI model you choose
  • Stars

    16,594
  • Last commit

    8 hours ago
  • License

    Apache-2.0
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.

Open Source Alternative to:

Open-source workflow automation for developers
  • Stars

    18,259
  • Last commit

    19 hours ago
  • License

    Unknown
Powerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.

Open Source Alternative to:

Run long-running AI tasks without timeouts or servers
  • Stars

    16,610
  • Last commit

    11 hours ago
  • License

    Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Open Source Alternative to:

Fast, secure cloud development environments on your infrastructure
  • Stars

    17,164
  • Last commit

    1 hour ago
  • License

    AGPL-3.0
Self-hosted development platform that enables secure, scalable remote coding with automated provisioning, reduced cloud costs, and enterprise-grade security.

Open Source Alternative to:

Open-source API documentation and testing platform
  • Stars

    16,315
  • Last commit

    54 minutes ago
  • License

    MIT
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.

Open Source Alternative to:

High-performance time series database for metrics and logs
  • Stars

    17,902
  • Last commit

    24 hours ago
  • License

    Apache-2.0
Time series database and monitoring platform compatible with Prometheus, handling billions of metrics with lower resource usage than most alternatives.

Open Source Alternative to:

Your open-source personal assistant for server automation
  • Stars

    17,600
  • Last commit

    17 hours ago
  • License

    MIT
Leon is an AI-powered virtual assistant that lives on your server, automating tasks and managing your digital life with privacy and customization.

Open Source Alternative to:

Privacy-first survey and experience management platform
  • Stars

    13,143
  • Last commit

    7 hours ago
  • License

    AGPL-3.0
Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

Open Source Alternative to:

Secure, customizable identity infrastructure for developers
  • Stars

    15,421
  • Last commit

    2 days ago
  • License

    AGPL-3.0
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Open Source Alternative to:

Secure, seamless authentication for modern applications
  • Stars

    14,775
  • Last commit

    8 hours ago
  • License

    MPL-2.0
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.

Open Source Alternative to:

AI-native vector database for intuitive applications
  • Stars

    16,907
  • Last commit

    13 hours ago
  • License

    BSD-3-Clause
Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.

Open Source Alternative to:

Streamline your business finances and operations
  • Stars

    15,092
  • Last commit

    4 months ago
  • License

    AGPL-3.0
All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.

Open Source Alternative to:

Build powerful AI agents with cutting-edge LLM technology
  • Stars

    14,965
  • Last commit

    21 hours ago
  • License

    MIT
A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.

Open Source Alternative to:

Secure and streamline database changes with CI/CD automation
  • Stars

    14,631
  • Last commit

    1 day ago
  • License

    MIT
Comprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.
Build full-stack apps with TypeScript and real-time sync
  • Stars

    12,756
  • Last commit

    3 hours ago
  • License

    Unknown
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Open Source Alternative to:

Create powerful chatbots without coding
  • Stars

    10,578
  • Last commit

    1 day ago
  • License

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

Open Source Alternative to:

Minimalistic AI-powered search engine for instant answers
  • Stars

    11,907
  • Last commit

    2 months ago
  • License

    AGPL-3.0
Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.

Open Source Alternative to:

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

    10,013
  • Last commit

    2 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:

Unified file management for your enterprise storage
  • Stars

    14,824
  • Last commit

    3 days ago
  • License

    AGPL-3.0
Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.

Open Source Alternative to:

Build product integrations with 500+ APIs in hours
  • Stars

    Stars growing over the last 30 days12,971
  • Last commit

    4 hours ago
  • License

    Elastic-2.0
Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

Open Source Alternative to:

Accelerate backend development with effortless scalability
  • Stars

    12,555
  • Last commit

    2 days ago
  • License

    MPL-2.0
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.

Open Source Alternative to:

Ultra-fast AI gateway with enterprise-grade reliability
  • Stars

    Stars growing over the last 30 days9,078
  • Last commit

    1 hour ago
  • License

    Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Open Source Alternative to: