Apps with 'Indexed search' feature
Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e.
TagSpaces is an open source personal data manager.It helps you organize and browse your files on every platform.Cross-platform file tagging and file finding
Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and Android-based device.
Ecosia is a green search engine that donates at least 80% of its profits from search ad revenue and online shopping to a reforestation program, currently in Burkina Faso.
DocFetcher is a portable German/English open source desktop search application. It allows you search the contents of documents on your computer. - You can think of it as Google for your local document repository.
DEVONthink is a solution to the digital age conundrum. It is your second brain, the one and only database for all your digital files, be they PDFs, emails, Word docs or even multimedia files.
Solid Explorer is the best looking file and cloud manager with two independent panels, which brings to you a new file browsing experience.
FSearch is a fast file search utility for GNU/Linux operating systems, inspired by Everything Search Engine. It's written in C and based on GTK+3.
Gigablast is a powerful, opensource, new search engine that does real-time indexing!FeaturesScalable to thousands of servers.
This package is a personal full text search package which is based on a very strong backend (Xapian), for which it provides an easy to use and feature-rich interface.
A personal booru-style media tagger that can import files and tags from your hard drive and popular websites. Content can be shared with other users via user-run servers.
Tag files, along with your peers to organize and find them. Works on local or network drives and in the Cloud. Tabbles features collaborative tagging, auto-tagging rules, an Outlook Plugin, a Chrome extension and is well integrated with Windows,.
Algolia helps product teams connect their users with information by providing the building blocks they need to create fast, relevant, personalized search.
RecentX is an innovative launcher that gives you instant access to your files, folders, programs, websites & clipboard history. It automatically remembers your favorite & recent items so that you can launch them even faster.
Slite is a simple collaborative documentation tool that helps businesses stay organized and work more thoughtfully.