Perspec is a scriptable desktop app to correct the perspective of images, such as photos of whiteboards, document scans, or facades. Its integrated computer vision algorithms automatically detect document corners, which can be manually adjusted if incorrect. Corrected images can be saved in several color modes. It is also usable via a command line interface.
Directory
Search results
Published directory entries matching your search.
Perspective Grid is a browser-based tool for drawing perspective grids. Users drag circles to adjust vanishing points, drag the grid to pan and scroll or pinch to zoom, and can hide the controls and capture a screenshot or generate a full resolution image.
Perspective Tools is a collection of interactive perspective grids intended as a guide for artistic or technical drawings. It offers 1-point, 3-point and 6-point curvilinear projections, with the page stating that more are coming soon. The tool was created by Ben Mansfield.
Perspective Monde is a non-English web resource for regional media, books, tools, communities, or learning.
Thomas Romain Perspective is an image or screenshot reference used for visual evidence, examples, or warnings.
Perspective publishes newspaper reporting, headlines and current-affairs coverage in Belarus.
Paper by Dipankar Dasgupta, Deepak Venugopal and Kishor Datta Gupta.
AllSides is a platform that provides balanced news coverage and media bias ratings. It uses non-partisan, crowd-sourced technology to present news stories and perspectives from left, center and right-leaning sources, alongside bias rating tools, dialogue resources and educational materials.
News comparison service presenting coverage from different political perspectives.
CORE Econ provides free online economics textbooks and resources, including The Economy 2.0 ebooks and regional adaptations. The Economy: A South Asian Perspective adapts the introductory textbook with topics specific to South Asian and developing economies.
A free domain research tool that discovers hosts related to a domain and looks up DNS records. It presents visible hosts from an attacker's perspective for red and blue teams, and is intended for reconnaissance, penetration testing, bug bounties, threat analysis and network OSINT.
European newsroom covering politics, business, culture and international events from a cross-border perspective.
FireAlpaca is free digital painting software for Windows and Mac, available in 10 languages. It offers customizable brushes, weekly original brushes, five brush textures, and post-drawing line adjustment, along with tools such as frame work, animation, gradient map, and 3D perspective grid.
IDEM is an interdisciplinary database of manuscripts and printed books relevant to the Alamire Foundation's research, focusing on the musical heritage of the Low Countries from the early Middle Ages until 1800. It contains digital images of manuscripts and prints digitized by the Alamire Digital Lab, complemented by interrelated sub-databases for studying sources from multiple perspectives.
The Journal of Dental Sciences is a dental academic journal whose site lists its current issue, Volume 21, Issue 4 (2026). Sections include editorials, review articles, original articles, short communications, perspectives and correspondences, and articles in press are also listed.
JPEGView is a fork of the original JPEGView by David Kleiner. It is a fast, highly configurable viewer and editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal graphical user interface, and provides basic on-the-fly image processing to adjust sharpness, color balance, rotation, perspective, contrast and local under-/overexposure.
Kagi News distills thousands of world-wide news sources into a daily briefing. The site states that it provides every critical perspective in about five minutes, without endless scrolling or attention hijacking. It also reports counts of news items and stories read, and lists news sections.
LDtk is an open-source 2D level editor for indie developers, focused on user-friendliness. It organizes levels into worlds, supports customizable entities, auto-rendering rules and Aseprite files, and exports PNG images with JSON data. It targets platformer and top-down perspectives and can be used free of charge without limitation.
A draft curriculum of topics presented from a minimalist perspective. The material is designed for use on a phone or tablet, according to the author. Curriculums listed as in progress include Machine Learning, Security, Math, TAOCP, and Software with introductory courses such as Functional CS, Accelerated CS, and SICP. A Discord channel is mentioned for community.
Light Square is a non-profit news site founded in December 2022 by people of Lumina and journalists and technologists. It states an aim to provide a balanced and unbiased perspective on the world's most pressing issues and is an independently managed official government organisation of the Government of Lumina.
Newspectives is a news analysis site that uses AI to collect and summarize how different countries and ideologies report the same event, presenting perspectives side by side. Readers choose which regional, thematic and satirical lenses to display per topic, with up to roughly twenty supported.
NLR's geospatial data science research uses geographic information systems (GIS) to produce maps, analyses, models, applications, and visualizations that inform energy planning and production. The work offers a geospatial perspective on contemporary energy issues and solutions.
ReplayMod is a Minecraft mod that records game sessions and replays them from any perspective, created by CrushedPixel and johni0702. Replay files use a lightweight format, and replays can be shared through the Replay Center. The mod includes a built-in video creator for camera paths. It is client side and cannot be installed on servers.
An online community of international reporters and social advocates publishing commentaries, features and news reports from a Nigerian-African perspective. It describes itself as founded in the spirit of Article 19 of the Universal Declaration of Human Rights and as an umbrella outlet for objective reporting of verifiable news and social commentaries. The site carries breaking news, latest stories, photos and videos.