The best alternatives to VarCI are Branches, Cashew, and Overv.io (beta). If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of VarCI?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Issue TODO is a chrome extension that quickly copies a github or Jira issue to your clipboard so you can paste it into your code as a TODO. It also includes a link to the issue and author for easy reference and will put you right in the comment field when you visit a github issue, so you can immediately join the conversation.
A GitHub App/Action that automates the creation of issue branches (either automatically after assigning an issue or after commenting on an issue with a ChatOps command: /create-issue-branch or /cib).