Data Visualization Open Source Tools

Alternative toAdobe PDF Extract API

Rust-powered PDF parser with smart OCR routing for AI pipelines

• 19,698 GitHub stars
• MITLicence MIT

Alternative toCodeDashboard

Turn any GitHub repo into an interactive architecture diagram

• 18,378 GitHub stars
• MITLicence MIT

Alternative toInfluxDB Cloud

Ingest high-frequency data and query it in real time with SQL

• 17,454 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toGoogle Cloud Composer

Asset-based data pipeline orchestration with a built-in catalog

• 16,301 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toEsri ArcGIS

Free open source GIS for mapping and spatial data analysis

• 14,599 GitHub stars
• GPL-2.0Licence GPL-2.0

Alternative toStarburst Enterprise

High-performance distributed SQL query engine for big data

• 13,351 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toQualtrics

Collect NPS, CSAT, and user feedback with privacy-first hosting

• 13,129 GitHub stars
• AGPL-3.0Licence AGPL-3.0

InSecurity & Monitoring

Real-time OSINT map: aircraft, ships, CCTV, satellites, self-hosted.

• 11,344 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toMaltego

Self-hosted graph tool for OSINT and cybersecurity investigations

• 9,878 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toLaunchDarkly

Open source A/B testing and feature flag platform

• 8,514 GitHub stars