Category Archives: Recommended Free Tools

This category contains tools which I have found usefull.

For “no open source” free tools, consideration is needed if they are safe to use in that task or environment.

OpenWrt, an alternative for improving network security at home with firewall and web proxy

Posted on 1 January 2017 by Admin

Introduction OpenWrt is a Linux distribution that can be loaded into many wireless routers by replacing the original firmware with OpenWrt firmware. The picture below shows 2 such routers, together with Raspberry Pi on the right for comparison. My interest … Continue reading →

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CherryTree, Tool for your project or other notes

Posted on 12 May 2016 by Admin

CherryTree is great open source tool for your notes. It has great features like: tree structure RTF editing and also can paste text without formattting can store content in one file can encrypt you notes file can export to different … Continue reading →

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Greenshot, Advanced tool for screenshots

Posted on 7 April 2016 by Admin

Greenshot is great open source tool for taking full screen or region screenshots. It can automatically save the screenshot into a file and copy into a clipboard. These settings are shown in the picture below. PS: I will mark ScreenGrab … Continue reading →

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Simple LED detector for RFID or NFC of 13MHz, without any battery

Posted on 28 November 2015 by Admin

Triggered by experience with “Raspberry and RFID reader/writer, first test “, I tested a simple LED RF detector idea that can be found in “RFID detector” and “RFID Reader Detector and Tilt-Sensitive RFID Tag “. For 13Mhz RFID/NFC, the LED … Continue reading →

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Free vector graphics and icons by freepik

Posted on 28 July 2015 by Admin

Freepik has made several vector graphics and icons available. Worth to take a look. Their icons are available also at flaticon. In this blog, I try to make a short story by using freepik icons. Please note that, icons are … Continue reading →

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Raspberry Pi as security device, first look on IPFire

Posted on 26 February 2015 by Admin

Raspberry Pi is an interesting candidate for a low cost, low power, small and open source based security device to be used at small office or at home office (SOHO), or for protecting your home automation… However, some preconcerns were … Continue reading →

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Synergy, tool for sharing keyboard and mouse over network

Posted on 23 February 2015 by Admin

Synergy is an open source tool for using one keyboard and mouse for 2 (or more) computers over the network. Usage is simple, just move mouse from one screen into another. Clipboard is supported. In the figure above, desktop with … Continue reading →

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