> For the complete documentation index, see [llms.txt](https://aptivi.gitbook.io/aptivi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aptivi.gitbook.io/aptivi/nitrocid-ks-v0.2.1-rolling-manual/fundamentals/simulated-kernel-features/extra-features/common-programs.md).

# Common Programs

These are your common programs

Nitrocid KS contains some of the common programs that have their own documentation. The following programs are the top 6 trending kernel extensions. In case you don't see an extension here, use the left pane to select a program.

<table data-view="cards"><thead><tr><th align="center"></th><th align="center"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td align="center"><h3><a href="/aptivi/nitrocid-ks-v0.2.1-rolling-manual/fundamentals/simulated-kernel-features/extra-features/common-programs/calculator.md"><mark style="color:$primary;"><strong>Calculator</strong></mark></a></h3></td><td align="center">Perform mathematical operations right from the shell.</td><td><a href="https://content.gitbook.com/content/wBz0xp5LOdy4QJ8roqPV/blobs/lzTdCIhYunFCx77Zemuj/image.png">image.png</a></td></tr><tr><td align="center"><h3><a href="/aptivi/nitrocid-ks-v0.2.1-rolling-manual/fundamentals/simulated-kernel-features/extra-features/common-programs/calendar.md"><mark style="color:$primary;"><strong>Calendar</strong></mark></a></h3></td><td align="center">Look at the monthly agenda, events, and reminders.</td><td><a href="https://content.gitbook.com/content/wBz0xp5LOdy4QJ8roqPV/blobs/oV1mAuhstPtjurzrr36E/image.png">image.png</a></td></tr><tr><td align="center"><h3><a href="/aptivi/nitrocid-ks-v0.2.1-rolling-manual/fundamentals/simulated-kernel-features/extra-features/common-programs/contacts.md"><mark style="color:$primary;"><strong>Contacts</strong></mark></a></h3></td><td align="center">Store all your contacts and your favorite people.</td><td><a href="https://content.gitbook.com/content/wBz0xp5LOdy4QJ8roqPV/blobs/znfJm1NnbWSl3FZ7GiTr/image.png">image.png</a></td></tr><tr><td align="center"><h3><a href="/aptivi/nitrocid-ks-v0.2.1-rolling-manual/fundamentals/simulated-kernel-features/extra-features/common-programs/weather.md"><mark style="color:$primary;"><strong>Weather</strong></mark></a></h3></td><td align="center">Get current weather information about your city.</td><td><a href="https://content.gitbook.com/content/wBz0xp5LOdy4QJ8roqPV/blobs/Zm8G2OLrPejWe9I2TYfU/image.png">image.png</a></td></tr><tr><td align="center"><h3><a href="/aptivi/nitrocid-ks-v0.2.1-rolling-manual/fundamentals/simulated-kernel-features/extra-features/common-programs/git-shell.md"><mark style="color:$primary;"><strong>Git Shell</strong></mark></a></h3></td><td align="center">Manipulate with Git repositories in a separate shell.</td><td><a href="https://content.gitbook.com/content/wBz0xp5LOdy4QJ8roqPV/blobs/niVLOwqJy8XDVLsWOM7k/image.png">image.png</a></td></tr><tr><td align="center"><h3><a href="/aptivi/nitrocid-ks-v0.2.1-rolling-manual/fundamentals/simulated-kernel-features/extra-features/common-programs/notes.md"><mark style="color:$primary;"><strong>Notes</strong></mark></a></h3></td><td align="center">Jot down notes and curious thoughts.</td><td><a href="https://content.gitbook.com/content/wBz0xp5LOdy4QJ8roqPV/blobs/LFTFIGBt5tLfiZ64LL6n/image.png">image.png</a></td></tr></tbody></table>