Open Source Forth Systems With First Class Preemptive Multitasking?

This page summarizes the projects mentioned and recommended in the original post on /r/Forth

InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com
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SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives
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  1. zeptoforth

    A not-so-small Forth for Cortex-M

    Zeptoforth has this, but it’s for embedded systems. https://github.com/tabemann/zeptoforth

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. spf

    SP-Forth

    SP-Forth/4 is an open source 32bit Forth system that runs on Windows and on Linux.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

Suggest a related project

Related posts

  • A not-so-small Forth for ARM Cortex-M

    1 project | news.ycombinator.com | 24 May 2025
  • zeptoforth 1.0.0 is out! (Now with optional USB CDC support for the RP2040)

    3 projects | /r/Forth | 19 May 2023
  • zeptoforth 0.45.0 out including SDHC/SDXC and FAT32 support

    1 project | /r/Forth | 15 Sep 2022
  • Modules in zeptoforth

    1 project | /r/Forth | 9 Dec 2021
  • Multicore multitasking for the RP2040 with zeptoforth

    1 project | /r/Forth | 21 Nov 2021

Did you know that Forth is
the 81st most popular programming language
based on number of references?