Apache Kafka
Apache Software Foundation · Messaging & queues
Distributed event streaming platform with durable, partitioned, replayable logs, Kafka Connect connectors and Kafka Streams processing
Apache-2.0Open sourceFreeSelf-hostedNov 2, 2026
Directory
6 tools
Results
In-depth entry
Elasticsearch
Elastic N.V. · Vector databases
Distributed search and analytics engine on Apache Lucene with full-text, aggregations, vector search and ES|QL; triple-licensed AGPL, SSPL and Elastic License
AGPL-3.0-only OR SSPL-1.0 OR Elastic-2.0Open sourceFreeSelf-hostedNov 2, 2026
Grafana
Grafana Labs · Monitoring & observability
Dashboarding and alerting platform that visualizes metrics, logs and traces from Prometheus, SQL databases and dozens of other data sources
AGPL-3.0-onlyOpen sourceFreemiumSelf-hostedNov 2, 2026
LiteLLM
BerriAI · Prompting, evaluation & observability
Open-source Python SDK and self-hosted AI gateway that calls 100+ LLM providers in the OpenAI format, with routing, fallbacks, virtual keys, budgets, spend tracking and logging callbacks
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
PM2
Keymetrics (Unitech) · Infrastructure & provisioning
Production process manager for Node.js and other long-running programs with cluster mode, log handling, restart policies and boot-time startup scripts
AGPL-3.0-onlyOpen sourceFreeLocalSelf-hostedNov 2, 2026
Slack
Slack Technologies (Salesforce) · Collaboration & communication
Channel-based team messaging platform from Salesforce with threads, huddles, canvases, workflow automation and an extensive bot and app API
ProprietaryFreemiumPaidNov 2, 2026
Page 1 of 1
Share this view: /tools?use=monitor-services&os=windows&depth=deep