🔍 Ambar: Document Search Engine

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README.md

Ambar: Document Search System

If you like Ambar please ⭐ it!

Landing Page | Cloud | Blog

What is Ambar

Ambar is a document search engine with automated crawling, OCR, deduplication and ultra-fast full-text search. Imagine having billion of files in different formats like xls, doc, txt, pdf, ppt, etc..., in any encoding. Ambar securely stores them and gives you an ability to search through their content and metadata in milliseconds. It is very lightweight, simple and intuitive, but yet very fast and powerful in terms of data amount and scaling. All the rocket-science is hidden behind the simple UI.

Features

Search

Tutorial: Mastering Ambar Search Queries

Fuzzy Search (John~3)
Phrase Search ("John Smith")
Search By Author (author:John)
Search By File Path (filename:*.txt)
Search By Date (when: yesterday, today, lastweek, etc)
Search By Size (size>1M)
Search As You Type
Supported language analyzers: English ambar_en, Russian ambar_ru, German ambar_de, Italian ambar_it, Polish ambar_pl, Chinese ambar_cn, CJK ambar_cjk

Crawling

SMB Crawling
FTP Crawling
Mail Crawling
Dropbox Crawling
Scheduled Crawling (Cron schedule syntax)
Files Deduplication

Content Extraction

Extract content from large files (>30M)
ZIP archives
MS Office documents (Word, Excel, Powerpoint, Visio, Publisher)
OCR over images
Email messages with attachments
Adobe PDF (with OCR)
OCR languages: Eng, Rus, Ita, Deu, Fra, Spa, Pl, Nld, CJK, Cn
OpenOffice documents
RTF, Plaintext
HTML / XHTML
Multithread processing (Only EE)

General

Ambar features overview (Vimeo)

Files Preview (with Google Docs View)
Real-Time Statistics
Web UI
REST API
Multiple user accounts (Only EE)

Installation

Ambar Cloud

It's full-featured latest Ambar, hosted on our servers. All the accounts and data is secured and carefully stored. You can connect Ambar directly to your Dropbox account and enjoy Ambar powerful search over your Dropbox. Trying Ambar Cloud is a perfect way to get the taste what Ambar is.

Signup
That's it!

Self-Hosted Ambar

Self-Hosted Ambar can be installed as a set of Docker images. Community Edition is available for free. It's a tiny version of Enterprise Edition with limited number of pipelines and crawlers and disabled authentication, though preserving full functionality. Also you can request a trial for Enterprise Edition, drop us an email on hello@ambar.cloud

Installation Instructions

Docker images can be found on Docker Hub

How it Works

Under the Hood
REST API Documentation
Management Script
The Source Code is freely available under Fair Source License 1. (Frontend, Crawler, ElasticSearch, Rabbit, Mongo, Installer)

FAQ

Is it open-source?

Yes, almost every Ambar's module is published on GitHub under Fair Source License 1

Is it free?

Yes, Community Edition is forever free. We will NOT charge a penny from you to use it. Basic cloud account is also forever free.

Does it perform OCR?

Yes, it performs OCR on images (jpg, tiff, bmp, etc) and PDF's. OCR is perfomed by well-known open-source library Tesseract. We tuned it to achieve best perfomance and quality on scanned documents.

Which languages are supported for OCR?

Supported languages: Eng, Rus, Ita, Deu, Fra, Spa. If you miss your language, please create an issue on GitHub and we'll add it ASAP.

Does it support tagging?

Nope, we working on it. As a workaround you can use folders hierarchy as a set of tags.

What about searching in PDF?

Yes, it can search through any PDF, even badly encoded or with scans inside. We did our best to make search over any kind of pdf document smooth.

I miss XXX language analyzer. Can you add it?

Yes, please create an issue on GitHub.

Are you going to add UI localizations?

We're working on it. Be patient.

What is the maximum file size it can handle?

It's limited by amount of RAM on your machine, typically 500MB. It's an awesome result, as typical document managment systems offer 30MB maximum file size to be processed.