List of language reforms of English

Over the years, many people have called for language reform of the English language. There are a number of reform types that have been proposed.
Spelling reforms.
Spelling reforms are attempts to regularise English spelling, whether by enforcing a regular set of rules, or by replacing the basic English alphabet with a new one. English spelling reforms include:
Using the basic English alphabet:
Extending or replacing the basic English alphabet:
Subsets.
"Subsets" are reforms that use a restricted wordlist and grammar. English subsets include:
Vocabulary reforms.
"Vocabulary reforms" seek to reform English by changing or restricting its words without changing its grammar.