For mastodon, https://brutadon.org https://brutadon.org works with the 'old login form'. For the c2wiki, there are clones of it which work with plain text, but

For mastodon, https://brutadon.org https://brutadon.org works with the 'old login form'. For the c2wiki, there are clones of it which work with plain text, but I can't remember the alternative domain. You can DDG/GG it, tho.