Repository Index

Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.

• embedded-database
• java
• kotlin
• key-value

SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.

• xquery
• java
• temporal-data
• storage

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.

• bolt
• cypher
• database
• enterprise-solutions

Search inside documents, code, and even screenshots - instantly and locally. A free, open-source file launcher with OCR, semantic search, and MCP agent access.

• desktop
• file-search
• full-text-search
• local-first

Simplified snapshots and restoration for ActiveRecord models and associations with a transparent white-box implementation

• rails
• versioning
• model-snapshots
• model-versioning

Local-first operating memory for AI coding agents - Claude Code, Codex, and any MCP client. Tracks decisions and their evolution. SQLite + on-device embeddings, no cloud.

• claude-code
• claude-code-plugins
• decision-tracking
• embeddings