Clark Audio offers their Textures lo-fi effect plugin for Windows and macOS as a free download (reg. price $39).
Textures is a sound design toot that lets you overlay your sounds with dust, vinyl crackle, mechanical noise, tape noise, nature environments, and more.
With Textures, you can instantly add character, life, and moods to your sounds. Effortlessly tweak presets with the built-in EQ or re-create the characteristics of vintage turntables with the WOW flutter effect.
Textures comes with 75 texture presets, a built-in high-pass & low-pass EQ panel, as well as effects such as WOW flutter and reverb.
Regularly $39, Textures can be downloaded now for free. The plugin versions available are 64-bit VST3/AU for Windows & macOS; it was tested and works in all major DAWs excluding Pro Tools.
More information: Clark Audio