Archive for Dev & Productivity Resources

Cloud Based Load Generators For Web Applications And Blogs

Let’s face it, we are in web apps era! All the services that we get are all on the net mostly fetched via a cloud provider such as Amazon Web Services or Heroku or so. We expect lots of people to avail those services and at reasonable latency. Page rendering should in less than a second for people to stay interested.

So how do we make sure the web apps or blogs are indeed capable of delivering the value adds in those fraction of second? We need to make sure 100% that the web apps are responsive, scalable with no bottlenecks.

This can be done reasonably easily. There are hosted web traffic generators who will come in handy. Mostly they are paid and premium. However, basic services are part of free tiers and we will look few of them here

Blitz

Blitz offers a comprehensive set of tools to perform Load Testing from the Cloud. It helps developers to perform Load testing for websites, web apps, and REST APIs. Very intuitive screens and reports that tells the current performance stats such as response time, http errors, caching needs etc. Very informative and lets one to take corrective measures. You can generate traffic from various part of the world – America, Asia, Europe, Brazil and so on. There are few services that you can test for free say 1000 simultaneous hits to your Web App..

 

load testing

 

Check out here and a case study here

BlazeMeter

A fully compatible Apache JMeter on the Cloud is BlazeMeter. It is a life saver for developers with fine tools to measure software performance, reliability and volume testing. Check out here

load testing

SOATest

A Parasoft product that helps to analyze, testing and validating APIs and API-driven applications.

Check out here

HP LoadRunner

Highly scalable, affordable on-demand load testing in the cloud another great tool for developers.

KeyNote LoadPro

KeyNote LoadPro can generate 1 million concurrent hits or more. It is one of the prominent Load Testing tools around. Check out here

5 Great Open Source Utility Tools

Here is a list of great open source utility tools for you to increase your efficiency. They are free but great tools.

Wireshark

A great network monitoring and sniffing tool to track packets, see if there are suspicious activities. This tool makes it easy for you to record network interfaces such as WLAN, Ethernet and capture packet details. You could even find the root cause of a slow internet if some app is sucking the bandwidth. It is available on Linux, Windows as well as Mac.

Open source tools

WinDirStat

WinDirStat is a great Open Source disk stats tool that lets you check and see which files are eating your disk. You can see at the graphical interface, colored patterns that let you easily isolate the large, unwanted files and cleanup. Available on Windows. Also available on Mac and Linux. For more visit http://windirstat.info/

open source tool

GParted

GParted is a free partition editor for graphically managing your disk partitions. Create partitions easily real time using GParted

open source tools

FileZilla

FileZilla is super easy, secured and robust FTP app that never fails. Very easy to use, powerful and it is open source.

open source tools

ClamAV

ClamAV is an open source antivirus engine designed for detecting Trojans, viruses, malware and other malicious threats. It is the de facto standard for mail gateway scanning. It provides a high performance mutli-threaded scanning daemon, command line utilities for on demand file scanning, and an intelligent tool for automatic signature updates.

Free And Open Source File Comparison Tools – Alternatives To Beyond Compare

Many of us need to compare files, text files, source code etc. quite often. If you are looking for a good free application that helps you compare differences in a file, here is a list of open source tools that help you compare differences in files. Beyond Compare is one the famous file comparison tools but it is not free. Here is what you need..

Diffuse (Open source/Free for Mac, Windows, Linux)

A nice tool to to compare files and merge effectively. Free to use.

free file comparison tool

WinMerge (Open Source/Free for Windows)

Another popular tool to compare files. Quite capable and tested by many.

free file comparison tool

KDiff (Open Source/Free for Mac, Windows, Linux)

KDE community tool for comparing and merging files.

free file comparison tool

Meld (Open Source/Free for Mac, Windows, Linux)

free file comparison tool

Mergely (Online tool)

Online tool to do the file comparison/merging.

Diff Checker (Online tool)

Web based online tool that is free online diff tool that gives you the text differences between two blocks of text.

Text Compare (Online tool)

Text Compare is an online diff tool that allows you to easily make a text comparison and find the differences between two texts.

DiffMerge (Open Source/Free for Mac, Windows, Linux)

free file comparison tool

Kompare (Open Source/Free for Linux)

Kompare is yet another graphical difference viewer that allows you to visualize changes to a file.

Open Source MEAP – Mobile Enterprise Application Platform

Explosion of Mobiles, tablets is making enterprises to act fast on mobile strategies. Rapid demand of BYOD – Bring Your Own Device, Mobilizing work force are some of the key requirements of today’s enterprises.

 

Statistics speak:

     

    1. There will be 1 billion smartphones in use worldwide by 2016, 350 million of these being used for business.5

    2. By 2016 nearly 70% of internet users will use more than five network-connected devices. There will be 10 billion internet-enabled devices globally, and smartphone traffic will grow 50 times the size it is today.

        3. The growth rate of smartphone and tablet adoption between 2007-2012 is more than four times that of personal computers between 1981-2000.

        4. Smartphones now account for half of all mobile phones used in the US.

        5. 63% of US adults regularly go online wirelessly with their mobile devices.

        6. Average smartphone data usage nearly tripled over the last year, to 150MB per month.

        Source: Antenna research

         

        While there are quite a number of frameworks and platforms for developers to achieve enterprise mobility, one can not ignore the open source power. Listed few are some of the emerging Open Source MEAP products

         

        OpenMEAP

        open source MEAP

        A Mobile Rapid Application Development environment, The OpenMEAP platform enables the existing web development teams to create applications once, which will work on every platform by using HTML5, CSS3 and JavaScript for a true device agnostic solution. Read more

         

        Convertigo

        open source MEAP

        Easily bring your IT asset on mobile devices using Open Source MEAP product – Convertigo. Connectors to a large variety of enterprise apps such as SAP, Salesforce.com, Oracle Apps, Microsoft Dynamics and many others. Read more

         

        Openmobster

        A lesser known Open Source Mobile Enterprise Backend. Read more

        15 Great Open Source Creative Tools

        GIMP (Mac, Linux and Windows)

        GIMP is one the most versatile graphics manipulation tools. It has some of the most amazing image manipulation tools such as Layers, Brush, Cropping and other tools and plugins similar to Adobe Photoshop which is the commercial leader. Read more about GIMPs features here.

        Free Creative tools

        MyPaint (Mac, Linux and Windows)

        MyPaint is a cool digital painting app. It is simple, fast and lets you focus on the art rather than the software. Download it here.

        Free Creative tools

        Krita (Linux, Windows)

        Krita, the full-featured painting application for digital artists with natural looking brushes and other tools.

        Free Creative tools

        Darktable (Mac, Linux)

        Darktable lets you process your Raw and JPG images. It has some of the advanced image processing features such as color correction, tone correction etc. Detailed feature list is here.

        Free Creative tools

        Inkscape (Windows, Linux, Mac)

        Very good vector illustration tool similar to Adobe Illustrator or CorelDRAW. Free and very capable tool for designers. It is very easy to edit nodes, perform complex path operations, trace bitmaps and much more. Inkscape has an aim to maintain a thriving user and developer community by using open, community-oriented development.

        free creative tools

        Calligra Flow (Linux)

        Calligra Flow is great diagramming tool similar to Microsoft Visio. Free and great to use. It can open Visio files too. Check it out here.

        Scribus (Windows, Linux and Mac)

        Scribus is an Open Source program that brings professional page layout to Linux/UNIX, Mac OS X, OS/2 Warp 4 and Windows desktops with a combination of press-ready output and new approaches to page design. Scribus is an alternative to Microsoft Publisher, Adobe InDesign, FrameMaker etc.

        free creative tools

        Audacity

        Audacity is the best sound editing and recording software tools out there. Highly capable, downloaded and recommended.

        free creative tools

        Hydrogen

        Hydrogen is an advanced drum machine for Linux. It’s main goal is to bring professional yet simple and intuitive pattern-based drum programming.

        free creative tools

        Mixxx (Mac, Windows and Linux)

        Mixxx is a top notch DJ software, has everything you need to start making DJ mixes in a tight, integrated package.

        free creative tools

        Blender (Windows, Linux and Mac)

        Blender is the free open source 3D content creation suite, available for all major operating systems. Blender has some of the advanced modeling features and it is commercial grade.

        free creative software

        Synfig Studio (Linux, Mac and Windows)

        Synfig Studio is a free and open-source 2D animation software, designed as powerful industrial-strength solution for creating film-quality animation using a vector and bitmap artwork.

        image

        Pitivi (Linux)

        Pitivi is a free, intuitive and feature rich movie editor for the Linux desktop

        Kdenlive (Linux, Mac)

        Kdenlive is afree open source video editor.

        Kdenlive 0.7.8

        Sparkleshare (Linux, Mac and Windows)

        SparkleShare is an alternative to the popular DropBox, Google Drive kind of file sharing services, free and open source. You can setup where to sync etc.

         free creative tools

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