Distance related functions (Damerau-Levenshtein, Jaro-Winkler , longest common substring & subsequence) implemented as SQLite run-time loadable extension. Any UTF-8 strings are supported.
- https://github.com/schiffma/distlib
String distances for sqlite3
- https://github.com/fernape/sqlite3_distances
SQLite3 extensions for approximate string searching
- https://github.com/igorski89/SQLiteFuzzySearch
Add simple Makefile to SQLite extension `extension-functions.c` by Liam Healy
- https://github.com/codingforfun/sqlite3-extension-functions
- https://sqlite.org/contrib/ (extension-functions.c)
Machine Learning
- https://github.com/mrwilson/squib
FULLTEXT
- https://github.com/abiliojr/fts5-snowball (recent)
- https://github.com/illarionov/sqlite3-unicodesn (old)
UUID:
- https://github.com/benwebber/sqlite3-uuid
SQLite module to define virtual tables and table-valued functions natively using SQL.
- https://github.com/0x09/sqlite-statement-vtab
- https://github.com/shawnw/useful_sqlite_extensions
SQLite3 Replace_Agg(const, find, replace) extension function.
- https://github.com/jakethaw/replace_agg
SQLite extension for reversing strings.
- https://github.com/mayflower/sqlite-reverse-string
SQLite3 encryption that sucks less
- https://github.com/resilar/sqleet
An "SQLite extension" that implements the minimum functions to create and handle a GeoPackage version 1.2
- https://github.com/xnaval/SQLiteExtensions
Arrays-for-SQLite
- https://github.com/stephancb/Arrays-for-SQLite
Group replace function for sqlite3.
- https://github.com/adesys/sqlite3_group_replace_extension
Dave Addey's SQLite extension for calculating distance using two pairs of latitude/longitude coordinates for use with the sqlite cli.
- https://github.com/cwarden/sqlite-distance
Clients
- https://hyokai.info/ (big data viewer with plotting)