Jerin George

URL Autolinker by Jerin.ca helps you automatically add hyperlinks in your content. 
You can define a list of URLs and their aliases (keywords), and the plugin will automatically convert those keywords into links whenever they appear in your posts or pages.
Key Features: 
– Save unlimited URLs with aliases (keywords). 
– Automatically link keywords to the saved URLs in post content. 
– Options to open links in a new tab. 
– Add nofollow attribute to specific links. 
– Limit the maximum links per alias per paragraph. 
– Limit the maximum number of auto-links per post. 
– Easy admin settings page with search and edit support.
🚀 Coming soon: URL Autolinker Pro with advanced features like exclusion by categories/tags, link reports, caching, and more.
This plugin is lightweight, SEO-friendly, and saves you time managing internal and external links.
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. 
See https://www.gnu.org/licenses/gpl-2.0.html for details.

URL Autolinker by Jerin.ca

Automatically link saved website names/aliases in blog posts to their URLs. Includes per-link new tab, nofollow, and global link limits.

mohsenshahbazi

Automatically link specified keywords to specified urls on post content . the linking changed made forever on post content . also you can define limit of keywords linked on post content to prevent google link spam trap 
Please feel free to offer any feature suggestions you might have and I will consider them for future releases.

WP KeyLink

Automatically link specified keywords to specified urls on post content . the linking changed made forever on post content .

URL Autolinker by Jerin.ca vs WP KeyLink