Bidirectional and low-latency communication for every platform
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SRS is a simple, high-performance, AI-driven real-time media server supporting RTMP, WebRTC, HLS, HTTP-FLV, HTTP-TS, SRT, MPEG-DASH, and GB28181, with codec support for H.264, H.265, AV1, VP9, AAC, Opus, and G.711.
The most customisable and low-latency cross platform/shell prompt renderer
- golang
- powershell
- zsh
- hacktoberfest
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
:zap: KCP - A Fast and Reliable ARQ Protocol
Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.
- cache
- cache-storage
- cluster
- concurrent
Open-source, low-latency key/value engine built on Valkey with query subscriptions and hierarchical storage tiers.
Mumble is an open-source, low-latency, high quality voice chat software.
- voicechat
- voip
- audio
- client
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
- java
- hazelcast
- in-memory
- big-data
An iOS and macOS audio visualization framework built upon Core Audio useful for anyone doing real-time, low-latency audio processing and visualizations.
Low-latency machine code generation
- x86
- x86-64
- jit
- assembler
High performance, distributed and low latency publish-subscribe platform.
- pubsub
- networking
- emitter
- mqtt
Micro second messaging that stores everything to disk
- chronicle
- queue
- java
- performance
OvenMediaEngine (OME) is a Sub-Second Latency Live Streaming Server with Large-Scale and High-Definition. #WebRTC #LLHLS
Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution
- low-latency
- performance
- async
- tcp-server
Ultra-low-latency asynchronous C++17 logging and metrics library for performance-critical applications
- cpp
- low-latency
- logging-library
- logging
C++14 concurrent lock-free low-latency queue.
TranslatedBuilt on DeepSeek Harness plugins, this low-latency, end-to-end encrypted P2P solution lets PC, mobile, and web clients access local DSH, Codex, Cursor, and Claude Code workspaces.
Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution
- low-latency
- performance
- async
- tcp-server
fmtlog is a performant fmtlib-style logging library with latency in nanoseconds.
- high-performance
- logging-library
- logging
- fmtlib
Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift
- performance
- serialization
- binary
- protocol
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
Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store
- lmdb
- java
- key-value
- embedded-database
Benchmarks for Low Latency (Streaming) solutions including Apache Storm, Apache Spark, Apache Flink, ...
- benchmarks
- low-latency
- streaming