Software development is one of the professions where you just have to keep your knowledge up to date and follow what happens in the field. But as normal information overload is easily achieved so it's beneficial to use for example curated newsletters for the subjects which intersects the stack you're using and topics you're interested at. Here are my selection of newsletters for software developers covering topics like web and mobile development, user experience and design and general topics. For more newsletters for developers you can check what for example Dzone wrote.
The power of newsletter lies in the fact that it can deliver condensed and digestible content which is harder to achieve with other good news sources like feed subscriptions and Twitter. Well curated newsletter to targeted audience is a pleasure to read and even if you forgot to check your newsletter folder, you can always get back to them later :)
Weekly newsletter of the best articles in Hacker News.
A language agnostic roundup of the latest ideas, releases, trends, events and must-read articles from the programming world (think C, UNIX, algorithms, editors, protocols)
iOS Dev Weekly
Hand picked round up of the best iOS development links published every Friday.
This Week In Swift
List of the best Swift resources of the week.
iOS Dev nuggets
Short iOS app development nugget every Friday/Saturday. Short and usually something you can read in a few minutes and improve your skills at iOS app development.
In depth Mac and iOS articles archives
Java Web Weekly by Baeldung
Once-weekly email roundup of Java Web curated news by Eugen Baeldung.
The Java Specialists’ Newsletter
A monthly newsletter exploring the intricacies and depths of Java, curated Dr. Heinz Kabutz.
Java Performance Tuning News
A monthly newsletter focusing on Java performance issues, including the latest tips, articles, and news about Java Performance. Curated by Jack Shirazi and Kirk Pepperdine.
A weekly round-up of database technology news and articles covering new developments, SQL, NoSQL, document databases, graph databases, and more.
HTML and CSS
Weekly HTML5 and Web Platform technology roundup. Curated by Peter Cooper.
Roundup of css articles, tutorials, experiments and tools. Curated by Zoran Jambor.
Web Development Reading List
Weekly roundup of web development–related sources, selected by Anselm Hannemann.
SitePoint’s daily newsletter, which features the latest web development news.
Newsletter for designers, front-end developers and product managers.
Includes interesting and useful stuff Scott has found over the last few weeks and other wonderful things.
The Modern Web Observer
Biweekly email newsletter about current issues and trends in front-end web development. It is much like a commentory on the important current news and articles related to front end development.
Web Design Weekly
Links to the best news and articles to hit the interweb during the week.
Weekly email of curated links to articles, resources, freebies and inspiration for web designers and developers.
For front-end developers there's "How to keep up to date on
Front-End Technologies" page which lists newsletters, blogs and people to follow.
Once–weekly e-mail round-up of Node.js news and articles.
User experience and design
Five links each week with the best UX writing, process, analysis, and critique from around the web. Its content lies at the intersection of user experience design, game design, and tech industry critique.
Monthly newsletter where the author will share ideas on how to improve customer conversion and ease of use.
To satisfy your web aesthetics with list of the 5 best design links of the day. The content is manually curated by a couple great editors.
Updates you monthly about the happenings in the UX/usability arena.
UX Design Weekly
Best user experience design links every week, published every Friday.
Weekly slice of devops news.
Web Operations Weekly
Weekly newsletter on Web operations, infrastructure, performance, and tooling, from the browser down to the metal.
Weekly newsletter of articles regarding microservices.