Audacity. :: Free, open source. Software for recording, converting, and editing audio files. 

Ocenaudio :: Free. Cross-platform audio editor with real-time previews and multi-selection features. 

123Apps (audio) :: Provides various apps to help in editing your audio, including - Audio Cutter, Audio Joiner, and Audio Converter. 

Soundcite :: Free, open source. Embeds inline audio into text narratives. 

GIMP :: Free, open source. The GNU Image Manipulation program is a cross-platform photo editing software that also supports art creation and graphic design. 

PIXLR :: Free and subscription. Browser-based photo editor with adjustment tools, overlay tools and stickers. 

SceneVR. :: Free, open source. Creates embeddable slideshows from panoramic and VR-ready images. 

Juxtapose. :: Free, open source. Aligns two images in a side-by-side frame for easy comparison. 

123Apps (video) :: Free apps that help you edit your video, including Video Converter, Video Cutter and Video Recorder. 

Shortcut. :: Free, open source. Cross-platform video editing application for Linux, Mac OS and Windows with wide format support, audio and video editing features and hardware support 

Educreations :: Free and subscription. Create video lessons or tutorials using a combination of screen casting, voice recording, and whiteboard features. 

iMovie. :: Free video editing software for Mac Operating Systems. 

Openshot Video Editor :: Free, open source. Written in Python, compatible with Linux, OS X, and Windows, offers a 
variety of powerful features. 

OBS Studio :: Free and open source software for video recording and live streaming.

PowerPoint :: PowerPoint has a great recording feature which makes creating videos very easy. 

Editing as a Team : A guide book written by David Kwasny to help you with group video editing.

Canva :: Canva is an online graphic-design tool. It offers templates for many types of designs, including presentations, posters, flyers, infographics, and social media posts. It uses a drag-and-drop format and provides access to photographs, vector files, graphics, and fonts. 

Piktochart :: Piktochart is a web-based tool for creating infographics. It provides templates that are easy to modify to fit your preferences for theme, color, graphics, and more. It also allows you to import data from Excel, Google Docs, CSV files, and more. 

The Map and Data Library has created a tutorial to get started with Piktochart. 

Infogr.am :: Infogr.am is an online tool that lets you create super simple interactive graphics. 

Easel.ly :: A free website that allows you to create infographics using premade templates or start from scratch. Everything is drag-and-drop and can be formatted to suit your tastes. Easel.ly also provides a gallery of infographics made by other users to serve as inspiration. 

StoryMaps :: Transform your maps and geographic information system (GIS) work into interactive content that informs, inspires, and engages stakeholders. Remember to use your the institutional login here.

StoryMapsJS :: StoryMapJS is a free tool to help you tell stories on the web that highlight the locations of a series of events. It is a new tool, yet stable in our development environment, and it has a friendly authoring tool.