The best alternatives to Secateur are Block Party, Post News, and Boyfairy. If these 3 options don't work for you, we've listed a few more alternatives below.
Block Party builds tools against online abuse. Our mission is to create a safer online experience by building solutions for user control, protection and safety. Use Block Party to filter out unwanted @mentions from Twitter and take control of your online experience.
A social platform for microblogging and premium news. Follow, like, share and curate your feed. Write short or long form posts, free or with Micropayments, access premium news without ads or paywalls, all in one feed
People learn and unlearn the most in their vulnerable moments. Being blocked is one of them. Boyfairy helps you communicate when you don't have the energy in you to defend or explain your position.
Whenever you spot a troll enter their tweet's URL into the site, select a charity to donate to and then you can reply to them linking to their donation page. There's even a Chrome extension. Retaliate with kindness.
Blockistan is bringing customisable blocklists to Twitter. Use Blockistan to can mass-block thousands of users at once. You can block users based on - keywords in their bio - followers of a particular @ - tweet a particular hashtag and more.