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   * [exceptionless](https://exceptionless.com) — Real-time error, feature, log reporting and more. Free for 3k events per month/1 user. Open source and easy to self-host for unlimited use.
   * [GlitchTip](https://glitchtip.com/) — Simple, open source error tracking. Compatible with open-source Sentry SDKs. 1000 events per month for free, or can self-host with no limits
   * [honeybadger.io](https://www.honeybadger.io) - Exception, uptime, and cron monitoring. Free for small teams and open-source projects (12,000 errors/month).
+  * [memfault.com](https://memfault.com) — Cloud platform for device observability and debugging. 100 devices free for [Nordic](https://app.memfault.com/register-nordic), [NXP](https://app.memfault.com/register-nxp), and [Laird](https://app.memfault.com/register-laird) devices.
   * [rollbar.com](https://rollbar.com/) — Exception and error monitoring, free plan with 5,000 errors/month, unlimited users, 30 days retention
   * [sentry.io](https://sentry.io/) — Sentry tracks app exceptions in real-time, has a small free plan. Free for 5k errors per month/ 1 user, unrestricted use if self-hosted