Modern CSV is described as 'editor for tabular data. It makes up for the weaknesses of spreadsheet programs in handling CSVs while incorporating the strengths of the best text editors'. There are more than 10 alternatives to Modern CSV for Windows, Mac and Linux. The best alternative is EmEditor, which is free. Other great apps like Modern CSV are CSVed (Free), CSVboard (Free), Table Tool (Free, Open Source) and ReCsvEditor (Free, Open Source).
EmEditor is a fast Unicode 64bit text editor for Windows 10/7/Vista/XP/2000 supporting extremely large files (up to 248 GB), binary files, comparison, multiline editing, easy numbering, scriptable macros, CSV files, script keyword highlighting and much more.
CSVed is the most complete and fully fledged editor for CSV files (comma-separated values). Such files are commonly exported from a database that needs special treatment on other programs, it is the preferred format to exchange data.
CSVboard is an application for viewing, sorting and finding data from a csv file. Open your csv files with minimum effort. Clean and simple Look. Free for private and commercial use. Source code available at Github.
Table Tool detects the configuration of a CSV-File for separator, quote-style, header, encoding and decimal-character. Lets the user add or delete columns/rows and edit data. Converting to a different configuration is easily possible.
Csv / Tsv / Delimited file editor. Supports for very large Files. Supports just about any character being used as a field separators - Tabs, comma's, colons, semi colons, hex chars (i.e. x'00', x'FA') etc.
CSVpad is a handy free CSV (Comma-separated values) editor. It support's unicode and it is a portable application. CSVpad can manipolate columns and rows. Export CSV files into html / xml / OpenDocument Spreadsheet (ods) and Microsoft Excel 8.0 (xls) files.
Rons CSV Editor is a powerful CSV file editor. It can open any format of separated text, including the standard comma and tab separated files (CSV and TSV), and allows total control over their content and structure.