Vladimir

This is an Ads management WordPress plugin. It offers unlimited count of code blocks, which can be easily customized and placed wherever you want.
Main features: 
1. Unlimited ads/widgets creation 
2. A lot of default places for blocks (Top/Middle/Bottom/After some tags/After Post) 
3. Simple native interface 
4. Support any Ads code (HTML/JS) 
5. Deffered js ads initialization in footer 
6. Include/Exclude ID policy 
7. Group ads for faster management 
8. Import from other ads management plugins

RedPic ADS Manager Lite

Легкий и простой плагин, раньше пользовался Quick Adsense. Этот проще и удобнее. 

Лучше чем Quick Adsense

JS/HTML ads block manager. Allows you to create and insert blocks of code anywhere on the blog.

ezoic

Ads.txt Manager is a free way to manage, update, and easily maintain your ads.txt file. 
Save time by eliminating manual file updates and authorize sellers to ensure you have the most up to date file possible.
Free, Simple, & Easy 
Ads.Txt Manager is a free tool designed to help sites easily manage their ads.txt files by providing step-by-step ads.txt setup, management, and validation (and it will always be free).
Easily authorize sellers, update files, and validate your ads.txt before publishing. Save time and ensure that Ads.txt implementation isn’t causing you to leave money on the table.
Visit <a href="https://adstxtmanager.com/" rel="nofollow ugc">adstxtmanager.com</a> to create your account now!

Ads.txt Manager

Ads.txt Manager is a plugin to help WordPress sites easily take advantage of the Ads.txt Manager service.

RedPic ADS Manager Lite vs Ads.txt Manager