Tabëla is described as 'Very simple GNOME application to format tables coming from spreadsheets or CSV/TSV files into HTML or Markdown' and is an app. There are 2 alternatives to Tabëla for Web-based, Self-Hosted, SaaS and Docker. The best Tabëla alternative is Tablesmit, which is both free and Open Source.
A minimalist, open source table builder for analytical writing. Build clean structured tables with full header control, formatting, and export. Free. No signup.
Entering tables in LaTeX documents can be burdensome because of the necessary formatting directives. For this purpose we created this online generator which (hopefully) will allow you to generate LaTeX code you can just copy & paste into your document's source.
Nigeria