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About

Liner is a suite of AI agents built for accurate search, academic research, and professional writing workflows. The platform includes Liner for everyday search, Liner Scholar for academic work, and Liner Write for drafting and editing professional content. Liner provides cited answers, follow-up questions, and mind maps to help users understand complex topics based on reliable sources. Liner Scholar helps users find papers, compare research, strengthen writing with citations, and generate literature reviews. Liner Write helps users turn ideas into emails, newsletters, reports, business proposals, and other polished documents. Built for professionals, students, researchers, writers, and teams, Liner helps users search, research, verify, draft, and refine work in one connected AI workspace.

About

OpenPaper is an AI-native workbench designed to help researchers read, annotate, and understand academic papers more effectively. It offers a split-pane interface that allows users to engage with the full text of a paper while interacting with an AI assistant. This assistant provides grounded citations for its responses, ensuring transparency and trustworthiness. Key features include inline annotations, audio overviews of papers, and the ability to find related research using OpenAlex. Users can upload papers to build a personal knowledge base and switch between AI models like GPT-4 and Gemini 2.5 Pro. It also supports shareable annotations, facilitating collaboration among researchers.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Liner is best suited for professionals, students, researchers, academics, writers, content teams, product managers, consultants, business strategists, editors, customer success teams, and organizations that need AI search, cited answers, academic research, paper discovery, literature reviews, citation support, professional drafts, document editing, research agents, and reliable source-based workflows

Audience

Graduate students and academic researchers needing a tool to read, annotate, and comprehend scholarly articles with AI assistance

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$17.99/month
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 1.6 / 5
ease 3.0 / 5
features 3.0 / 5
design 2.8 / 5
support 2.2 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Hey! If you, like me, forgot to cancel your free trial and got charged a huge amount, then do this! Contact Liner through their "Contact Us" section on their website and write something saying that you live in the EU and are therefore eligible for a refund within 14 days of starting the paid subscription. That's what their terms and conditions say. If you don't say this, I don't think they accept any other reason to refund the amount. I hope this helps someone! x
  • No Pros. Every thing is bad there. As IT people, they don't have simple common sense. The user query is displayed on the screen in bold and big fonts. What???? the person sitting in neighbor to you can read it easily. Are you mad? Why it is so slow even after paid version? Explain me, how you are better than ChatGPT?. I used both and realized ChatGPT is worth to pay $20 per month. Liner is a JUNK. They don't refund money. They want free money.
  • Since this ad encourages cheating, it's hard for me to say anything positive. Well, at least it presumably gives an explanation along with the answer (see below).
  • No pros, it's absolute garbage. It makes me want to jump off a building. I wouldn't recommend this to anyone.
  • Information is up to date. Search and pdf summaries are by far the best features. Offers references on the spot. Nice interactivity because it provides for follow up questions. The free trial is also reasonable because of the high number of questions it allows per day.

Cons

  • how easy it is to forget to cancel the free trial.
  • If you upgrade, yearly they charged mere more $200, within a month I decided not to use since it was very slow all the time, crashing again and again, so many :something wen wrong" errors. THEY DO NOT REFUND MONEY. THIS IS A CHEAT FRAUD COMANY. As AI company, they don't have simple common sense to hyperlink email to support@getliner.com. if click this email (blue link), it keeps going to getliner.com and not to email.
  • I just saw an ad for Liner on Youtube. It said that if you are short on time answering questions, just C&P the question into Liner to get the answer along with an explanation. I also asked, using the scholar version, about published research in a particular field by a given researcher but not from an English-speaking country. It claimed there was none. A search using an Internet search engine gave results..
  • The UI sucks. Glitchy. Hard to use. Overpriced. Garbage.
  • It takes quite some time to fetch information from sources and even sometimes fails to find the answers. Customization and personalization of responses is not that good.Sometimes it will just combine the answers from its sources directly without adjusting them.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Liner
United States
liner.com

Company Information

Open Paper
United States
openpaper.ai/

Alternatives

Alternatives

LAPro

LAPro

Cone Center
Smart SLIM

Smart SLIM

Geojit Technologies
Qiqqa

Qiqqa

Quantisle

Categories

Categories

Integrations

GPT-4
ChatGPT
Evernote
GPT-3.5
Gemini 2.5 Flash
Google
Google Chrome
Microsoft Edge
Microsoft OneNote
Microsoft Word
NAVER Whale
Opera
Safari
YouTube

Integrations

GPT-4
ChatGPT
Evernote
GPT-3.5
Gemini 2.5 Flash
Google
Google Chrome
Microsoft Edge
Microsoft OneNote
Microsoft Word
NAVER Whale
Opera
Safari
YouTube
Claim Liner and update features and information
Claim Liner and update features and information
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Claim Open Paper and update features and information