1.eclipse-mosquitto / mosquitto
Eclipse Mosquitto - An open source MQTT broker
+262 stars
from 11,066 · score 5.57
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Ranked by Attention Score: stars gained over the last 90 complete days
12 repositories by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
2.apache / cloudberry
One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.
- database
- data-analysis
- data-warehouse
- olap
- postgresql
- sql
- +8 more
+194 stars
from 1,244 · score 5.27
3.arkime / arkime
Arkime is an open source, large scale, full packet capturing, indexing, and database system.
- network-monitoring
- pcap
- packet-capture
- nsm
- javascript
- c
- +2 more
+139 stars
from 7,418 · score 4.94
4.nanomq / nanomq
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
- mqtt
- mqtt-broker
- iot-edge
- nng
- aio
- actor-model
- +14 more
+87 stars
from 2,568 · score 4.48
5.confluentinc / librdkafka
The Apache Kafka C/C++ library
- kafka
- kafka-consumer
- apache-kafka
- high-performance
- c
- librdkafka
- +3 more
+68 stars
from 1,015 · score 4.23
6.profanity-im / profanity
Ncurses based XMPP client
- xmpp-client
- c
- xmpp
- chat
- ncurses
- decentralization
- +6 more
+33 stars
from 1,519 · score 3.53
7.pmacct / pmacct
pmacct is a small set of multi-purpose passive network monitoring tools [NetFlow IPFIX sFlow libpcap BGP BMP RPKI IGP Streaming Telemetry].
- netflow
- ipfix
- sflow
- bgp
- bmp
- kafka
- +14 more
+26 stars
from 1,231 · score 3.30
8.edenhill / kcat
Generic command line non-JVM Apache Kafka producer and consumer
+23 stars
from 5,768 · score 3.18
9.boazsegev / facil.io
Your high performance web application C framework
- websocket-server
- http-protocol
- http-parser
- c
- concurrency
- framework
- +7 more
+22 stars
from 2,391 · score 3.14
10.2ndQuadrant / pglogical
Logical Replication extension for PostgreSQL 17, 16, 15, 14, 13, 12, 11, 10, 9.6, 9.5, 9.4 (Postgres), providing much faster replication than Slony, Bucardo or Londiste, as well as cross-version upgrades.
- postgresql
- replication
- logical-decoding
- database-replication
- subscription
- publish-subscribe
- +5 more
+14 stars
from 1,230 · score 2.71
+8 stars
from 8,066 · score 2.20
12.pipelinedb / pipelinedb
High-performance time-series aggregation for PostgreSQL
- realtime
- stream-processing
- analytics
- sql
- push
- postgresql
- +3 more
+8 stars
from 2,658 · score 2.20