Custom Sidebars Manager free WordPress plugin

Sidebar Manager allows you to replace existing sidebars with creating a new custom sidebars, including very cool conditional logic. This way you can target any page, post or content with your sidebar. So for example if your theme has only 1 global sidebar, sidebar manager allows you to create multiple sidebars for blog, portfolio, and other content of your wish. With custom sidebars manager you can also manage your widgets and set visibility to them (for example show your widget only at homepage)