Best Open Source Data & Analytics Tools in 2026

Turso

Web & App Development AI & Machine Learning Data & Analytics

Edge SQLite database with multi-tenancy for serverless apps

stars 18.4Klicense MITlang Rust

Developer Tools Cloud Native Open Core+1

Storj

IT Management AI & Machine Learning Data & Analytics+1

Decentralized S3 storage with end-to-end client-side encryption

stars 3.2Klicense AGPL-3.0lang Go

Developer Tools File Sync & Storage Cloud Native+2

Helicone

AI & Machine Learning Web & App Development Security & Monitoring+2

Monitor LLM spend and catch prompt anomalies in production

stars 5.6Klicense Apache-2.0lang TypeScript

Developer Tools Open Core Self Hosted+3

Swetrix

Data & Analytics Marketing & Growth

GDPR-compliant cookieless analytics with real-time dashboards

stars 960license AGPL-3.0lang TypeScript

Web Analytics Self Hosted Data Visualization+2

Prisme Analytics

Data & Analytics Marketing & Growth

Privacy-first open source web analytics with no cookies

stars 125license AGPL-3.0lang TypeScript

Web Analytics Data Visualization Self Hosted+1

Azimutt

Data & Analytics Product & Project Management IT Management+1

Explore and document complex database schemas visually

stars 2.1Klicense MITlang Elm

Developer Tools Coding Documentation+5

InfluxDB

Data & Analytics IT Management Web & App Development+1

High-performance time series database with SQL-based querying

stars 31.5Klicense Apache-2.0lang Rust

Developer Tools Cloud Native Open Core+6

MariaDB Server

Data & Analytics IT Management Web & App Development+1

Open source MySQL-compatible relational database server

stars 7.5Klicense GPL-2.0lang C++

Database Open Core Server Management+6

Airbyte

Data & Analytics AI & Machine Learning Web & App Development+1

Open source ELT platform with 300+ data connectors

stars 21.1Klicense NOASSERTIONlang Python

Developer Tools API Infrastructure Database+14

Metarank

AI & Machine Learning Data & Analytics Web & App Development

Open source personalization and search ranking engine

stars 2.4Klicense Apache-2.0lang Scala

Search Engine LLM A/B Testing+10

PostgreSQL

Data & Analytics Web & App Development IT Management

World's most advanced open source relational database

stars 20.7Klicense NOASSERTIONlang C

Database Open Core Self Hosted+3

Totum

Web & App Development Business & Productivity IT Management+2

Self-hosted low-code platform for internal business tools

stars 983license MITlang PHP

Database No Code Self Hosted+11

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