TARILIO and TARILIO Portable, are free of charge for private non-commercial use. TARILIO PRO with additional closed source code is for commercial use. (These products previously used a working title of ‘eSearch’ – see: https://github.com/electronart/esearch-project/wiki

TARILIO offers advanced information retrieval with an integrated AI Mode with multiple connections to online or offline Large Language Models (LLMs) and built-in MCP Client.

Search Mode

Designed to quickly access information from a wide range of local and remote data sources, in any language.

Plugin architecture to expand search to external data sources such as Amazon S3, Microsoft OneDrive, Dropbox, etc.

Typical usage include searching case law, product catalogues, legal precedents, manufacturers parts lists, academic literature, project documents, translation, investigative journalism, OSINT, source code, knowledge-management & research in many domains.

AI Mode

• Supports multiple connections to OpenAI-compatible online LLM service providers such as Perplexity API, OpenAI API, OpenRouter.ai and others.
  
• Imports open source GGUF LLMs from Hugging Face or you can migrate models from LM Studio.
  
• Run local LLMs, Advanced Settings to fine-tune sampling parameters – Temperature, Top-K, Top-P, Min-P, etc.
  
• Built-in MCP Client supports Tools from thousands of MCP Servers.
  
• Enables multi-turn conversations with your chosen LLM. Add notes to any system, user, or assistant message within a conversation.
  
• Save/Load System prompts to define the assistant’s role, language, or behaviour.
  
• Export timestamped conversations for later analysis in econv, csv, or json formats, import them to other machines on a network.

Ideal for evaluating LLM performance and gathering AI assistant user feedback within a workgroup.

Features > Search Mode

Word List: Fully scrollable word list displays all the words in your files with word count, double-click on a word to enter it in the search query or use voice-input!

Indexer: Multiple indexes. Each index can be given a meaningful name and easily configured to include folders, files or specific file types. Index options include multilingual stop words, case sensitivity, maximum file size or word length. Scheduled Indexing.

Results List: Scrollable list of results, with user choice of metadata columns. Sort on any column.

View Window: View files with query words highlighted. View images and their metadata. Images containing geolocation data can display the location on a map. Built in PDF viewer. Source code formats are displayed with syntax highlighting and line numbers. Navigate between numbered highlighted hits.

Quickly insert Boolean operators with ‘All’ or ‘Any’ word defaults.

Search using a ‘List of words’ for eDiscovery/eDisclosure.

Regular Expression search. Built in IPV4 search example.

Search expansion options include multilingual stemming and multiple pre-defined and a user-defined thesaurus files.

Export results as time-stamped XML, CSV or TSV file.
Copy document text, append notes, to clipboard or a timestamped file.

Extensive file format support

Metadata is displayed in a separate window.

Free Amazon S3 plugin.

Search inside compressed archive files like .zip .rar .bz2 .gzip .7z

Multilingual UI.
You can instantly switch the UI language.
Translate the user interface using the free Language File Editor!

Cross-Platform

Currently only Microsoft Windows 10 or 11 64-bit is supported.
Please ask if you need Linux or macOS versions.

TARILIO is a self-contained 64-bit .NET 8.0 application using the open-source Apache Lucene .NET search engine.
Install on any Windows 10 or 11 machine without worrying about the installed .NET runtime. There is no need to download any other files, such as Java or C++ runtimes. Portable version can be run on a USB 3.x flash drive, to search files on the host machine or on the USB drive.

Open source project

Note: The eSearch Project was open-sourced 25 July 2025 and consisted of eSearch Pro and eSearch Portable, both free of charge for private non-commercial use. After the 4 November 2025 release the ‘eSearch’ working title was replaced with TARILIO. TARILIO PRO & TARILIO Publish with additional closed source code are available for commercial use. All contributions very welcome!
https://github.com/electronart/esearch-project/wiki
https://tarilio.com/

Plugins:

The AWS S3 plugin was open sourced 7 November 2025 to enable developers to add support for additional features, or develop Plugins for connection to other data-sources like Dropbox, Box, Google Docs. Approved plugins may be offered for sale for TARILIO PRO users.
Contact us if you would like to develop and sell plugins.