List of open source real-time operating systems
3 comments · osdev
- Comments3
–Rank now
#22Peak rank
1Days on list
–Score · 7d
Oct 31, 2026First seen
On Lobsters
osdev
- Score
- 9
- Comments
- 3
- Submitted by
- varjag
- Tags
- osdev
- Site
- osrtos.com
Story details from Lobsters ↗ · linked article on osrtos.com.
Trending history
List of open source real-time operating systems was first seen on Lobsters · Hottest on Oct 31, 2026. Since then it has appeared in 1 check on 1 different day. Its best position was #22 of 25, reached on Oct 31, 01:51 UTC. It dropped off the list after Oct 31, 01:51 UTC.
Rank history
Position on Lobsters · Hottest at every check (lower is better).
Last 14 days
Best rank per day (UTC).
22
Oct 26today
From the discussion
A few top-level comments from Lobsters, shortened. Read the full thread on Lobsters.
Real-time operating systems seem very appealing to me lately, but maybe I just need to configure my Linux kernel better, somehow. There are several operations I do regularly that almost always cause my whole system to freeze temporarily. If I'm not mistaken, `COPY` instructions in `docker build` is one of them, and…
There was a desktop scheduler. It either didn't get merged, they pulled it, or something. Linux kernel was optimized for non-desktop workloads. Far as freezing, people on HN who used the QNX Demo Disk, a QNX-based desktop on a floppy, talked about how its real-time scheduler let them do things like compiles in the…
FreeRTOS being the most popular in commercial use. There's also safety-critical variant called SafeRTOS from Wittenstein High-Integrity Systems. Amazon started doing a FreeRTOS service, too.
Featured in
Archived daily, weekly and monthly lists that include this entry.
Lobsters 1 day, best #22
Questions
Is List of open source real-time operating systems trending on Lobsters right now?
Not at the moment. It was last on the list on Oct 31, 01:51 UTC, after 1 day of trending.
What is the highest rank List of open source real-time operating systems reached?
#22 on Lobsters · Hottest, on Oct 31, 01:51 UTC. Trendoday checks this list every 30 minutes.
How long has List of open source real-time operating systems been trending?
It was first seen on Oct 31, 2026 and has been on the list on 1 day (1 check) since.