Open Source Infrastructure & Operations Tools
A curated collection of the best open source software for running servers and services: databases, storage, networking, orchestration, messaging, monitoring, and backup and recovery.
Unify vector search and graph traversals in one database
Stars
6,103Last commit
14 hours agoLicense
Apache-2.0
Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms queries.
Open Source Alternative to:
Desktop SQL client with built-in MCP for AI agent access
Stars
5,078Last commit
3 hours agoLicense
Apache-2.0
Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.
Open Source Alternative to:
Graph database built for GraphRAG and multi-tenant AI apps
Stars
6,334Last commit
3 hours agoLicense
SSPL-1.0
Graph database using sparse matrix representation and linear algebra to deliver ultra-low latency Cypher queries, native multi-tenancy, and built-in GraphRAG support for AI applications.
Open Source Alternative to:
Time-series database built for industrial IoT workloads
Stars
6,403Last commit
3 hours agoLicense
Apache-2.0
Apache IoTDB manages industrial IoT time-series data with high-throughput read/write, edge-cloud sync, ultra-high compression, and integrations with Hadoop, Spark, Flink, and Grafana.
Open Source Alternative to:
Self-hosted cloud platform with automated security
Stars
6,168Last commit
10 days agoLicense
Unknown
Complete self-hosting solution with automated maintenance, Smart-Shield protection, anti-DDoS, SSO authentication, and VPN access for secure private cloud management.
Open Source Alternative to:
Enterprise monitoring for networks, apps, and infrastructure
Stars
6,423Last commit
3 hours agoLicense
AGPL-3.0
Monitors networks, servers, cloud services, IoT, and OT environments with no per-device licensing fees, available self-hosted or as a managed SaaS platform.
Open Source Alternative to:
Open source cloud infrastructure trusted at massive scale
Stars
6,045Last commit
6 hours agoLicense
Apache-2.0
OpenStack manages compute, storage, and networking across VMs, bare metal, and containers via APIs or a dashboard. Trusted by Walmart, China Mobile, and more.
Open Source Alternative to:
Effortless event-driven workflows for modern applications
Stars
5,897Last commit
6 hours agoLicense
SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.
Open Source Alternative to:
Deploy a professional status page in minutes, no coding required
Stars
5,182Last commit
16 days agoLicense
MIT
Free, open-source status page and uptime monitor with Docker deployment. Track 11 service types, manage incidents, schedule maintenance, and notify subscribers instantly.
Open Source Alternative to:
Terraform automation with pull request workflows
Stars
5,044Last commit
8 days agoLicense
MIT
Open-source CI/CD orchestrator for Terraform with pull request automation, drift detection, and enterprise-grade security. Self-hostable with private runners.
Open Source Alternative to:
Spreadsheet-like interface for PostgreSQL databases
Stars
5,139Last commit
11 hours agoLicense
GPL-3.0
A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.
Open Source Alternative to:
Powerful observability made simple for developers
Stars
4,495Last commit
17 hours agoLicense
MIT
Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.
Open Source Alternative to:
Lightweight distributed storage for self-hosting
Stars
4,600Last commit
13 hours agoLicense
AGPL-3.0
Self-contained distributed object storage with S3 API compatibility. Runs on minimal hardware, replicates data across 3 zones for maximum resilience.
Open Source Alternative to:
YAML-defined workflow orchestration, no database required
Stars
4,208Last commit
3 hours agoLicense
GPL-3.0
Single-binary workflow orchestrator that runs scheduled DAGs locally or over SSH, with retries, human tasks, a built-in Web UI, and file-based state storage.
Open Source Alternative to:
High-performance graph computing for scalable data analysis
Stars
4,583Last commit
3 hours agoLicense
Unknown
Memgraph is a scalable, in-memory graph database solution offering high-performance computing and Neo4j compatibility.
Open Source Alternative to:
Open source observability platform for modern applications
Stars
4,293Last commit
2 months agoLicense
AGPL-3.0
Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.
Open Source Alternative to:
Scalable SQL database for real-time analytics
Stars
4,441Last commit
3 hours agoLicense
Apache-2.0
Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.
Open Source Alternative to:
Next-gen WebSockets server for real-time apps
Stars
5,636Last commit
2 years agoLicense
AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Open Source Alternative to:
Embedded storage engine built on object storage
Stars
3,454Last commit
17 hours agoLicense
Apache-2.0
SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.
Open Source Alternative to:
Webhook delivery platform with retries, security, and a portal
Stars
3,424Last commit
3 hours agoLicense
MIT
Add customer-facing webhooks to your product without building the infrastructure. Handles retries, signatures, multi-tenancy, filtering, and monitoring at scale.
Open Source Alternative to:
Website analytics, uptime monitoring, and server status in one
Stars
3,100Last commit
17 hours agoLicense
Apache-2.0
Self-hostable platform combining website analytics, uptime monitoring, server status, Docker tracking, status pages, and telemetry for indie developers and small teams.
Open Source Alternative to:
Powerful and user-friendly web hosting control panel
Stars
3,063Last commit
1 month agoLicense
Unknown
aaPanel simplifies Linux server management with one-click installations, intuitive interface, and comprehensive tools for websites, databases, and more.
Open Source Alternative to:
Secure, decentralized cloud storage for your data
Stars
3,282Last commit
16 hours agoLicense
AGPL-3.0
Storj offers a distributed cloud storage platform with enhanced security, global performance, and significant cost savings compared to traditional providers.
Open Source Alternative to:
Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities
Stars
2,850Last commit
3 hours agoLicense
Unknown
Enterprise-grade open source VPN solution combining WireGuard with mandatory 2FA/MFA and integrated OpenID Connect SSO for secure remote access
Open Source Alternative to:
Self-host your digital life with ease
Stars
2,978Last commit
2 days agoLicense
AGPL-3.0
Install and maintain your own server with minimal technical knowledge. Host websites, email, cloud storage, social networks, and more for complete digital independence.
Open Source Alternative to:
Real-time usage metering and billing for AI companies
Stars
2,350Last commit
19 hours agoLicense
Apache-2.0
Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.
Open Source Alternative to:
Complete IT infrastructure monitoring made simple
Stars
2,379Last commit
2 hours agoLicense
GPL-2.0
Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
Open Source Alternative to:
Turn bare metal into intelligent cloud infrastructure
Stars
2,239Last commit
3 hours agoLicense
Apache-2.0
Transform bare metal servers into a complete cloud platform with REST API for Kubernetes clusters, databases, VMs, and load balancers. Build your own cloud.
Open Source Alternative to:
OpenTelemetry observability with traces, logs, and metrics
Stars
1,801Last commit
8 hours agoLicense
Unknown
Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.
Open Source Alternative to:
Self-hosted error tracking for full control and scalability
Stars
2,096Last commit
4 days agoLicense
Unknown
Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.
Open Source Alternative to:
Open source monitoring for complex IT infrastructure
Stars
2,239Last commit
3 hours agoLicense
GPL-3.0
Monitor networks, servers, and cloud environments with flexible open-source solution. Custom checks, fast alerts, and complete infrastructure control.
Open Source Alternative to:
Full-text search API with real-time indexing and crawling
Stars
1,916Last commit
17 days agoLicense
Apache-2.0
Cloud search API and crawler service supporting billions of documents, real-time indexing, autocomplete, faceted filtering, and multi-language text across any application.
Open Source Alternative to:
Next-Gen ERD: Design, Explore, Document and Analyze your database.
Stars
2,189Last commit
1 month agoLicense
MIT
Azimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.
Open-source message stream built on Postgres
Stars
2,206Last commit
7 months agoLicense
MIT
Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.
Open Source Alternative to:
Encrypted, queryable backups for engineers who value time
Stars
2,072Last commit
18 hours agoLicense
ISC
Backup solution with CLI, API and UI interfaces. Clean defaults, easy deployment. Encrypted, queryable backups with deduplication and compression.
Open Source Alternative to:
Complete infrastructure monitoring with 25+ years of expertise
Stars
2,047Last commit
2 months agoLicense
GPL-2.0
Free open source IT monitoring solution for servers, networks, and applications. Trusted by 1M+ users worldwide with powerful alerting and enterprise-grade features.
Open Source Alternative to:
Simplify container deployment across environments
Stars
1,849Last commit
20 days agoLicense
Apache-2.0
Effortless container orchestration platform for seamless deployment, management, and monitoring of applications across multiple environments.
Open Source Alternative to:
AI-powered PostgreSQL management made simple
Stars
1,448Last commit
1 day agoLicense
AGPL-3.0
Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.
Open Source Alternative to:
Local-first, offline-first no-code database platform
Stars
2,978Last commit
7 days agoLicense
AGPL-3.0
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
Open Source Alternative to:
Unlock Data's Potential with Open Source Power
Stars
1,417Last commit
20 hours agoLicense
Apache-2.0
Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.
Open Source Alternative to:
All-in-one observability with unlimited data ingestion
Stars
1,708Last commit
15 hours agoLicense
AGPL-3.0
Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.
Open Source Alternative to:
GitOps orchestration for infrastructure as code
Stars
1,285Last commit
3 hours agoLicense
MPL-2.0
Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.
Open Source Alternative to:
Postiz – The All-in-One agentic social media scheduling tool
CodeRabbit
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