All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category3
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Keep
Automation · Devops · Monitoring
The open-source AIOps and alert management platform that unifies 130+ monitoring tools into a single pane of glass with AI-powered correlation, deduplication, and workflow automation.
marimo
Data Engineering · Developer Tools
A reactive Python notebook that eliminates hidden state, runs reproducibly, and deploys as a web app or script — stored as pure Python, built for the AI era.
PocketBase
Authentication · Databases · Ecommerce
Open Source realtime backend in 1 file — embedded SQLite, auth, file storage, and admin UI as a single Go binary.
SpiceDB
Authentication · Databases · Security
An open source, Google Zanzibar-inspired authorization database that models permissions as relationships and evaluates fine-grained access checks at massive scale with single-digit millisecond latency.
Coroot
Analytics · Monitoring
eBPF-powered observability with AI root cause analysis — zero code changes required, full-stack visibility out of the box.
PeerDB
Data Engineering · Databases
Postgres-native ETL that streams change data capture in real time to Snowflake, BigQuery, ClickHouse, S3, and Kafka — up to 10x faster than general-purpose pipelines, managed through a familiar Postgres SQL interface.
Formance Ledger
Databases · Developer Tools · Invoicing Finance
The programmable open source core ledger for fintech — build money-moving applications with atomic multi-posting transactions, account-based modeling, and Numscript, a built-in DSL for financial logic.
Maltrail
Monitoring · Security
Detect malicious network traffic using 47+ live threat feeds, heuristics, and a fat-client reporting dashboard — no commercial stack required.
Rill
Analytics · Data Engineering
The fastest BI tool for humans and agents — define metrics, models, and dashboards as code and query them instantly on ClickHouse or DuckDB.
Beta9
AI Development · Automation · Data Engineering
Run AI workloads at scale with a Pythonic serverless runtime that handles GPU inference, background jobs, and sandboxes with zero infrastructure overhead.
hoop
Monitoring · Security
A wire-protocol gateway that enforces data masking, command blocking, approval workflows, and full session recording for engineers and AI agents accessing production infrastructure.
OpenViking
AI Development · AI Memory · Databases
An open-source context database that gives AI agents a unified filesystem for memory, resources, and skills with hierarchical tiered retrieval.
Bugsink
Developer Tools · Monitoring
Self-hosted error tracking that accepts Sentry SDKs out of the box, so you keep your instrumentation and drop the monthly bill.
Shadowbroker
Analytics · Monitoring · Security
Self-hosted OSINT dashboard that fuses 60+ live intelligence feeds — flight tracking, ship AIS, satellites, CCTV, seismic and radio networks — into one real-time map, with an agent-ready command channel for AI co-analysts.
sirchmunk
AI Development · Data Engineering
Drop your files and search them instantly — no vector DB, no indexing pipeline, just raw data queried by a self-evolving intelligence layer.
Flowfile
Data Engineering
Visual ETL that compiles to Polars — build pipelines on a canvas, export as standalone Python, and run anywhere without platform lock-in.
NornicDB
AI Development · AI Memory · Databases
A single graph+vector+temporal database for AI workloads — Neo4j-compatible, sub-millisecond hybrid search, and built-in memory decay.
shaper
Analytics · Data Engineering
Build analytics dashboards, reports, and customer-facing analytics by writing pure SQL — powered by DuckDB and designed for self-hosted deployment.
Gatus
Devops · Monitoring
Developer-oriented health dashboard with active endpoint probing, multi-protocol checks, and 40+ alerting integrations so you know about failures before your users do.
OpenBB
Analytics · Databases · Invoicing Finance
The AI Workspace for Finance: Connect Data, Run AI Agents, Build Analytics
Docglow
Data Engineering
A next-generation documentation site generator for dbt Core projects — lineage explorer, health scoring, and full-text search for teams without access to dbt Cloud's built-in docs features.
argilla
AI Development · Data Engineering
Collaborate on high-quality AI training data with a self-hosted annotation platform built for LLMs, NLP, and multimodal models.
SWIRL
Data Engineering · Databases · Search
Federated AI search and RAG across 100+ enterprise sources—no data extraction, no vector database required.
Morphik
AI Development · Databases · Search
Morphik is an AI-native ingestion and retrieval engine that lets developers store, search, and reason over visually rich documents — scanned PDFs, manuals, slides, and video — without duct-taping together OCR, an embedding model, and a vector database.