Monitoring
APM, logging, error tracking, uptime
Soft.xyz tracks 9 monitoring tools, 9 with a free plan, 1 open source. Paid entries start at $0/mo (Better Stack) and go up to $79/mo (OpenReplay). Most GitHub traction: Grafana with 75,200 stars. Rankings below use real metrics, not vendor claims.
9 monitoring tools currently tracked: 6 open source, 3 with a managed free tier, 0 paid-only.
By GitHub activity the most popular is Grafana (75.2k stars).
Cheapest paid plan in the list starts at $15/mo (Datadog).
Open source (6)
#1
G
Grafana
Open source observability
โญ 75.2kFree
#2S
Sentry
Application monitoring & error tracking
โญ 44.2kFree
#3S
SigNoz
Open-source observability platform
โญ 27.5kFree
#4O
OpenReplay
Open-source session replay suite
โญ 12.2kFree
#5H
HyperDX
Open-source observability for end-to-end debugging
โญ 9.6kFree
#6O
OpenStatus
Open source monitoring platform
โญ 6.8kFree
Managed with free tier (3)
FAQ
How many monitoring tools are tracked here?
9, of which 9 offer a free plan and 1 are open source.
What is the cheapest monitoring tool?
Better Stack starts at $0/mo, while OpenReplay is the priciest tracked entry at $79/mo.
Which monitoring tool has the most traction?
Grafana leads the tracked set with 75,200 GitHub stars.