It is not only the software that costs money that has useful and effective features. If you study hard, you will find that there are many free utilities that are as good as the paid versions.
Photo: DREAMSTIME
In the previous article, we introduced 5 types of free utilities related to cloud storage tools, photo editing, office applications, Internet speed test and audio books.
In this section, we will learn more about some other utilities.
1, NASA Trusted Free Image and Software
NASA has a separate video that introduces the free software that the agency makes available to people to use for a variety of technical applications.
In the catalog system of NASA's free software, there are separate categories serving the needs and interests of each person such as automation systems, vehicle management, design and integration tools, management Enterprise and project system management, image and data processing, etc.
You can come in This to discover the software on your own.
In addition, NASA has also opened a huge library with high quality images. You can search and view all the historical images saved over the years, including the Mars Missions, New Horizons and images taken from the International Space Station (ISS).
2, Free Audio Editor
If you're looking for a free audio editor, your search should begin and will likely end with Audacity.
This is free and easy to use open source audio editing software. It can record live audio and play it back on a computer. It can even convert (convert) audio stored on old tapes and discs into digital format or save to CDs.
The main reason Audacity is great is that it allows you to do a lot of what you need and want to do with your audio, including recording, editing, combining, or adding effects.
In some ways Audacity even surpasses professional audio editing software like Audition.
Photo: DREAMSTIME
3, Free Firewalls
In addition to your anti-virus or malware software, there is another essential tool that helps protect your computer system from hackers or network attacks, which is a firewall.
While newer Windows systems come with built-in firewall software, there are many other free, effective third-party tools to choose from.
Among them must be mentioned TinyWall, a firewall program, as the name implies, lightweight, does not bother your work because it is almost invisible.
TinyWall doesn't use annoying pop-up messages and doesn't have push notifications that it's doing its job.
Another option is ZoneAlarm, a free, downloadable firewall and effective anti-virus program that helps protect your computer system from a variety of network attacks.
4, Provide a “disposable” email address
There are millions of spam (spam) sent out every day, which is a hassle that is not easy to get rid of anytime soon. One of the ways to help you avoid receiving these unwanted emails is by using a disposable email address, also known as a virtual email account.
You can use a disposable email provider like Mailinator or Maildrop. These services allow you to create fake, temporary, and disposable email addresses for security purposes.
That way you don't always have to give out your personal and work email addresses for unimportant things.
5, Video Editor
Most free video-editing programs like iMovie and Windows Movie Maker have decent basic tools, but they're still very limited.
Meanwhile, unfortunately, more advanced tools like Final Cut Pro are quite expensive. Accordingly, you can refer to using a video editing program with full features of VSDC all free.
You can also try another free professional video editing tool, Lightworks. This program dates back to around the 1990s and has actually been used for major Hollywood movies like “The King's Speech” and “The Wolf of Wall Street”. There is a version for Windows and machine Mac.
6, Tools to support writing and checking English grammar
For checking English grammar, Grammarly is a highly rated free tool. You can paste a written English document into this page and have it check for grammar and spelling errors.
You can also download Grammarly's browser extensions to help you check grammar while you're editing.
Another tool to support English grammar is Hemingway Editor. Similar to Grammarly, you only need to copy and paste a few paragraphs into the text box on this page, it will immediately point out the problem parts such as too long sentences, obscure words or paragraphs. not clear….
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