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Top 23 C++ Automation Projects
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Project mention: I tried every todo app and ended up with a .txt file | news.ycombinator.com | 2025-08-11
One useful addition for text file users: on Windows, create hotkey\macro timestamps using something like Autohotkey (https://autohotkey.com/)
3 letter hotkeys seem to work well - long enough to be unique without overlapping real words.
for instance, when I type ddd it automatically stamps this:
20250811 10:57 AM
then I type my note and can look back at what time\date it was.
sometimes I just need the date so that is dds (date-date-short) which gives
20250811
occasionally I just want the time so that's ttt
11:02:02 AM
I have many other 3 letter codes using Autohotkey to bring in frequently typed things too, useful in emails and such.
Since I think through typing, autohotkey has been a QoL helper.
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Domoticz
Free open source home automation system for Linux, Windows, Raspberry Pi. Supports Z-Wave, Zigbee, MQTT, and 150+ devices.
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ESPurna
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I use https://github.com/houmain/keymapper to achieve the same thing, Meta + W: open or switch through existing Firefox windows, Meta + Z: open or switch through existing Terminal Windows, etc.
It works on Wayland from my understanding, but I'm using X11 as my daily driver.
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ESPHome-Philips-Smart-Coffee
ESPHome components which implement a Philips Series 2200/3200 Coffee Machine into HomeAssistant. Capable of brewing automatic coffee.
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Project mention: Show HN: Scheduled PC Tasks, automatically schedule simulations of actions on PC | news.ycombinator.com | 2025-08-07
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Project mention: Show HN: Automat – A New (Game) Automation Utility | news.ycombinator.com | 2026-01-30
I’m happy to say that a new open-source game automation utility that I’ve been working on for the past 2 years is now coming to Steam!
It has a website at https://automat.org/. That website might be a little hard to parse though - so here are are some links:
you can check it out on video here: https://www.youtube.com/watch?v=BBT9XO61B5I (I usually do a short intro on every development livestream)
GitHub is here: https://github.com/mafik/automat
an article about Automat: https://automat.org/live2025 (if you have any questions - check this out first!)
and the Steam page is here: https://store.steampowered.com/app/4122050/Automat/
While Steam version is still in “coming soon” mode, you can grab a release from GitHub. Please note that even though it's free on GitHub, Steam Wishlists are still important for visibility - this is what drives the Steam algorithm! The easiest way to help out is to hit the wishlist button :P
One word of warning - it doesn’t play well with Wayland (it’s fairly hard to interop with other apps on Wayland) - but I’m optimistic about this bit in the near future...
And finally - don't be fooled by it's seemingly game-oriented focus. At it's core it's a visual programming environment!
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Simple-Hydroponics-Arduino
Hydruino: Simple automation controller for hydroponic grow systems using Arduino-compatible microcontrollers. Professional grade, fully configurable, open source, & 100% free. No internet connection or cloud account required.
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ModuleInterface
Easy config and value sync between IoT modules, database and web pages (by fredilarsen)
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Simple-SolarTracker-Arduino
Helioduino: Simple automation controller for solar tracking systems using Arduino-compatible microcontrollers. Professional grade, fully configurable, open source, & 100% free. No internet connection or cloud account required.
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ESPHome-Alarm-Panel-Keypad-Rfid-Display
DIY Alarm Panel using NodeMCU v3 ESP8266 for Home Assistant (Alarmo), using a 4x4 matrix keypad, RFID(RC522) and a MAX7219 7-Segment Dislpay
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NOVA
NOVA: A high-performance, bare-metal Win32 C++17 desktop orchestrator. Featuring a unified 17-provider AI backend, atomic EXEC orchestration, and the proprietary EvolvingPersonality® system for persistent digital identity. Zero bloat. Total sovereignty. "Anything is possible." (by 94BILLY)
Project mention: Show HN: Nova v1.5.0 Gold Master – A pure C++17 assistant with zero dependencies | news.ycombinator.com | 2026-04-03 -
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Automation discussion
C++ Automation related posts
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Show HN: Nova v1.5.0 Gold Master – A pure C++17 assistant with zero dependencies
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Show HN: Automat – A New (Game) Automation Utility
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How I finally stopped suffering from browser automation crashes
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Show HN: Scheduled PC Tasks, automatically schedule simulations of actions on PC
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GUI based scheduler and automation tool for user actions simulations
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Why the Future of AI Note Taking is Local, Offline, and Open Source: Taking Back Control of Your Meeting Data
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Meetily: Your AI-Powered Meeting Assistant - Revolutionizing Collaboration!
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source Automation projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | AutoHotkey | 12,557 |
| 2 | Domoticz | 3,773 |
| 3 | espurna | 3,049 |
| 4 | keymapper | 1,109 |
| 5 | imgui_test_engine | 591 |
| 6 | IbInputSimulator | 530 |
| 7 | porla | 274 |
| 8 | ESPHome-Philips-Smart-Coffee | 272 |
| 9 | Native System Automation | 217 |
| 10 | DAR | 195 |
| 11 | Scheduled PC Tasks | 165 |
| 12 | automat | 153 |
| 13 | ESPecial | 119 |
| 14 | linuxviewer | 96 |
| 15 | Simple-Hydroponics-Arduino | 87 |
| 16 | ModuleInterface | 72 |
| 17 | Awesome-Automations | 61 |
| 18 | Simple-SolarTracker-Arduino | 36 |
| 19 | qsort | 28 |
| 20 | ESPHome-Alarm-Panel-Keypad-Rfid-Display | 17 |
| 21 | NOVA | 7 |
| 22 | knut | 7 |
| 23 | HotWaterRecirculatingPump | 4 |
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