Dev tools · alternatives · 2026

24 alternatives to Bosun

Open-source monitoring and alerting system by Stack Exchange

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Bosun launched in 2014; newer entries below may have overtaken it.

1
OneUptime – open-source Datadog Alternative▲233
Complete open-source monitoring and observability platform. - OneUptime/oneuptime
2024 · github.com · its alternatives →
2
OpenStatus▲434
Hey HN! We’re Max and Thibault building OpenStatus.dev an OpenSource synthetic monitoring platform with incident managements 1 min demo: https://twitter.com/mxkaske/status/1685666982786404352 We have just reached 2000 stars on GitHub https://github.com/openstatusHQ/openstatus We are really excited to hear your feedback/questions and connect further: our emails are [email protected] and [email protected]. Thank you!
2025 · openstatus.dev · its alternatives →
3
StatusCake▲91
Free unlimited website monitoring
2015 · statuscake.com · its alternatives →
4
Webmon▲74
Website monitoring & escalation service
2014 · its alternatives →
5
Sunshine▲152
A simpler, personal, more accurate mobile weather experience
2015 · thesunshine.co · its alternatives →
6
Lighthouse▲144
Real-time monitoring and alerts for Slack administrators
2016 · its alternatives →
7
Site Alerts▲108
Instant insights on any website
2014 · sitealerts.com · its alternatives →
8
Helios▲75
Open-source monitoring tool for AWS serverless applications
2021 · its alternatives →
9
Bor – Open-source policy management for Linux desktops▲197
Hi HN! I've been working on Bor, an open-source system for centralized Linux desktop management. Bor consists of a lightweight Go agent and a central server. Policies are streamed to clients over mTLS/gRPC in real time—no polling—and currently support Firefox, Chrome, KDE, dconf, polkit and package management, with more coming. Version 0.8 introduces several new policy types - Thunderbird, Microsoft Edge for Business and FirewallD zones, along with a number of improvements and fixes. I'd love feedback on the architecture, policy model, and whether this is something you'd consider for…
Aug 2026 · getbor.dev · its alternatives →
10
Tech.eu Radar▲118
An online database on all things European tech
2015 · its alternatives →
11
Clime▲90
Smart sensors monitor everything you care about (pre-launch)
2014 · climesense.com · its alternatives →
12
OpsDash▲119
Server monitoring done right
2015 · opsdash.com · its alternatives →
13
BloomSky▲66
Your live weather data, reported and recorded
2015 · bloomsky.com · its alternatives →
14
Vigil▲105
Like a weather app for your website (uptime monitoring)
2014 · its alternatives →
15
SickWeather▲70
Track illness and see what's going around
2014 · xoilacza.io · its alternatives →
16
Statlogger▲91
Email-based stat tracking
2014 · statlogger.com · its alternatives →
17
Coatcheck▲87
A crowdsourced weather forecast
2016 · coatcheck.me · its alternatives →
18
bCRM▲108
Buffer for bots. Powerful analytics and messaging
2016 · its alternatives →
19
WiCub▲73
An IoT temperature & humidity sensor for your home
2016 · kickstarter.com · its alternatives →
20
Forecast▲107
Stripe for Weather
2014 · support.apple.com · its alternatives →
21
Sun▲120
Beautiful weather forecast powered by Dark Sky
2016 · its alternatives →
22
Helios▲66
An extensible open-source mobile backend framework
2014 · globalli.io · its alternatives →
23
Hawk Eye▲78
A useful app for GitHub Notifications
2017 · harksys.com · its alternatives →
24
AppEnlight▲61
Performance and error monitoring
2014 · appenlight.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →