Open Source Data & Analytics Tools

Alternative toLlamaParse

Document parsing and ETL for LLMs, RAG pipelines, and AI agents.

• 15,583 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toCloudflare

Community-powered threat detection and IP blocklist

• 15,226 GitHub stars
• MITLicence MIT
• #Security

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 toGoogle Analytics

Cookieless web analytics: GDPR compliant, 18 KB script

• 13,139 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toQualtrics

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

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

Alternative toElasticsearch Service (Elastic Cloud)

MySQL-wire search engine with full-text and real-time indexing

• 12,064 GitHub stars
• GPL-3.0Licence GPL-3.0
• #Database

Alternative toPerplexity AI

Open source AI search engine that retrieves cited sources

• 11,901 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toLlamaIndex

Incremental data framework for AI agents.

• 11,726 GitHub stars
• Apache-2.0Licence Apache-2.0
• #AI Agents

InSecurity & Monitoring

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

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