Update README.md (rothgar#382)

Author: Henriquehnnm

README.md

@@ -46,6 +46,7 @@
 - [gping](https://github.com/orf/gping) Ping, but with a graph
 - [Grafterm](https://github.com/slok/grafterm) Metrics dashboards on terminal, a Grafana inspired terminal version
 - [htop](https://github.com/htop-dev/htop) Interactive text-mode process viewer for Unix systems. It aims to be a better 'top'
+- [HydroTop](https://github.com/Henriquehnnm/hydrotop) A simple and beautiful system monitor
 - [htui](https://github.com/PierreKieffer/htui) Heroku Terminal User Interface
 - [hwinfo-tui](https://github.com/JuanjoFuchs/hwinfo-tui) A gping-inspired terminal visualization tool for monitoring real-time hardware sensor data from HWInfo
 - [kaskade](https://github.com/sauljabin/kaskade) TUI for kafka, which allows you to interact and consume topics from your terminal in style!
@@ -510,6 +511,7 @@
 - [h-m-m](https://github.com/nadrad/h-m-m) Hackers Mind Map
 - [hnjobs](https://github.com/mwinters0/hnjobs) Find your next job on Who's Hiring
 - [hygg](https://github.com/kruserr/hygg) 📚 Simplifying the way you read. Minimalistic Vim-like TUI document reader.
+- [HydroToDo](https://github.com/Henriquehnnm/hydrotodo) A simple and beautiful TUI to-do list
 - [kabmat](https://github.com/PlankCipher/kabmat) TUI program for managing kanban boards with vim-like keybindings
 - [kanban-python](https://github.com/Zaloog/kanban-python) Kanban Terminal App written in Python
 - [khal](https://github.com/pimutils/khal) A standards based CLI calendar program, able to synchronize with CalDAV servers