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A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

  • java
  • bitset
  • roaring-bitmaps
  • roaringbitmap

Android StackBlur is a library that can perform a blurry effect on a Bitmap based on a gradient or radius, and return the result. The library is based on the code of Mario Klingemann.

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

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

Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, Alibaba Tair, Redpanda, YDB and StarRocks

Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations. Pencil2D is open source and cross-platform.

  • animation
  • drawing
  • qt5
  • graphics2d

High-performance, columnar, in-memory store with bitmap indexing in Go

  • db
  • soa
  • indexing
  • bitmap

Data structure and algorithm library for go, designed to provide functions similar to C++ STL

High-quality pro HDR image resizing / scaling C++ library, including a very fast, precise, SIMD Lanczos resizer (header-only C++)

  • image-resizer
  • image-upsizing
  • image-scaling
  • resizer-image

Graphics32 is a graphics library for Delphi and Lazarus. Optimized for 32-bit pixel formats, it provides fast operations with pixels and graphic primitives. In most cases Graphics32 considerably outperforms the standard TBitmap/TCanvas methods.

A library to take picture easy, transform your data in different format and save photos in your device

  • camera
  • facial-recognition
  • photos
  • camera-api

Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.

Smallest full text search engine (lucene replacement) built from scratch using inverted Roaring bitmap index, highly compact storage, operating in database and document modes