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Roaring bitmaps in Go (golang), used by InfluxDB, Bleve, DataDog

  • go
  • roaring-bitmaps
  • bitmap-compression
  • bitset

Columnar storage extension for Postgres built as a foreign data wrapper. Check out https://github.com/citusdata/citus for a modernized columnar storage implementation built as a table access method.

  • postgresql
  • compression
  • columnar-store
  • columnar-storage

Synopse mORMot 1 ORM/SOA/MVC framework - Please upgrade to mORMot 2 !

  • delphinuspackage
  • pascal
  • fpc
  • delphi

Cold storage that queries like hot storage. High-ratio JSONL compressor with block-level random access. Query cold storage in seconds — no restore, no full decompression. 5–13% ratio on JSONL logs, 25–57% smaller than gzip. 1-hour window via DuckDB in under 6s. Free for personal and open-source use.