Apress has merged with Springer last year and they opened more IT ebooks as part of the ApressOpen.
Direct links listed in order of publication from most recent:
- Data Parallel C++: PDF, EPUB
- Programming Persistent Memory: PDF, EPUB
- Rational Cybersecurity for Business: PDF, EPUB
- Demystifying Internet of Things Security: PDF, EPUB
- Rethinking Productivity in Software Engineering: PDF, EPUB
- Pro TBB: PDF, EPUB
- Ray Tracing Gems: PDF
- Ray Tracing Gems II: PDF
- Fashion Figures: PDF, EPUB
- Managing Risk and Information Security: PDF, EPUB
- DevOps for Digital Leaders: PDF, EPUB
- A Practical Guide to TPM 2.0: PDF, EPUB
- Embedded Firmware Solutions: PDF, EPUB
- Energy Efficient Servers: PDF, EPUB
- Efficient Learning Machines: PDF, EPUB
- Learn BlackBerry 10 App Development: PDF, EPUB
- Platform Embedded Security Technology Revealed: PDF, EPUB
- The Privacy Engineer's Manifesto: PDF, EPUB
- Android Application Development for the Intel Platform: PDF, EPUB
- The InfoSec Handbook: PDF, EPUB
- Computer Vision Metrics: PDF, EPUB
- Intel Galileo and Intel Galileo Gen 2: PDF, EPUB
- Building the Infrastructure for Cloud Security: PDF, EPUB
- Digital Video Concepts, Methods, and Metrics: PDF, EPUB
- GUI Design for Android Apps: PDF, EPUB
- Optimizing HPC Applications with Intel Cluster Tools: PDF, EPUB
- Managing Risk and Information Security: PDF, EPUB
- Sensor Technologies: PDF, EPUB
- Office 365 Migrating and Managing Your Business in the Cloud: PDF, EPUB
- TouchDevelop: PDF, EPUB
- Intel Xeon Phi Coprocessor Architecture and Tools: PDF, EPUB
- Rethinking the Internet of Things: PDF, EPUB
- Intel Trusted Execution Technology for Server Platforms: PDF, EPUB
- Android on x86: PDF, EPUB
Thanks OP, picked up InfoSec Handbook