For any business, building and developing great software is both challenging and complex. The first challenge may be to find and hire great great developers for your team, but keeping pace after that can prove to be difficult. APIs, devices, browsers, app code, 3rd parties and more could trip up even the savviest developer, particularly as product begins to scale. Whether you are a resource strapped startup or a large company building out something new, proper tools are necessary to improve and maintain performance, update the user experience, test, monitor and drive the success of the product or feature.With this in mind, we dug into the Developer Tools category this month for May App Trends. With many subcategories to analyze, we dug in to the most popular across all types of development tools in our catalogue. As always, we gather this data from an anonymized version of our comprehensive audit logs. Apps are scored on a 100-point scale based on the unique number of people who used them over the past month.AWS Amazon's reach expands far beyond eCommerce and AWS (Amazon Web Services) is a key example of their reach. AWS boasts broad and deep core infrastructure services. Plus, their flexibility allows you to start developing, across 9 different platforms, within minutes. Additionally, tools such as AWS Management Console and Toolkits assist developers to optimize their productivity and make good use of AWS- great for small businesses.Heroku Potentially one of the most well-known PaaS tools, Heroku is the platform many great brands use to build their own apps. The Heroku platform totes the ability to support development in, in Ruby on Rails, Java, Node.js, Python, and more, which makes it a great tool for development teams with a variety of coding backgrounds.New Relic New Relic has taken a leading role in analytics for cloud apps on both desktop and mobile. As we covered back in March, analytics and real-time insights are key to driving business results. New Relic allows developers to keep a close eye on app performance and monitor key metrics to ensure customers receive the best experience possible.BrowserStack With BrowserStack, developers have the ability to do live web-based browser testing in their huge selection of browsers. BrowserStack also tests local and internal servers in a secure environment and offers a number of pre-installed develop tools for quick bug tests.GitHub GitHub allows developers to collaborate together on code for feedback, review, management and more, making it easier to write better code. Whether you're working with your own team or a developers across the world you've never met, GitHub brings the best of the best together in the world's largest open source community. ScalyrWith Scalyr, development teams can streamline server monitoring, app metrics, log analysis and error tracking into one fast, simple service. Scalyr offers a free trial and with integrations with AWS, Heroku, and many others, this is a tool that will simplify any developer's daily tasks.RunscopeKeep a close eye on your API with Runscope, which offers tools to support the app development cycle. Runscope monitors APIs to ensure they return the correct data, and notify you about downtime - with integrations to tools likeSlack and HipChat so you and your team will be consistently up-to-date.AppFiguresNot only should things work, but they should look good as well, and appFigures ensures both. This tracking platform pulls all the key data from your app - sales, trends, and more - and creates great visualizes that make it easy to interpret the data.GhostGhost's open source blogging platform is ideal for teams that have many people contributing to their blog and don't want to get bogged down by nitty gritty details of posting. Their split-screen tool allows you to type on one side and simultaneously see a preview of the page on the other.ZencoderWith Zencoder, video and audio encoding is a much less daunting task. This SaaS tool saves you the expensive cost of video hardware and software, but doesn't sacrifice quality. Zencoder offers HQ quality and speeds that can't be matched, with an easy-to-use API integration tool.Meldium is up to over 2,100 supported apps and counting, which means customers have many new integrations to choose from across a number of different categories. What category would you like to see featured next month? Make a suggestion on Twitter using the #AppTrends hashtag - we'll choose next month's spotlight based on your suggestions!