Learning labs, that can be useful for you:
Network Programmability for Network Engineers
Network Programmability for Application Developers
Cisco Application-First Security
Open-source projects, Dashboards:
Flask Dashboard - Sleek Design
Backstage is an open platform for building developer portals
GoAdmin is a toolkit to help you build a data visualization admin panel for your golang app
Available sandboxes by Networking category
You can also use Cisco DNA Center sandboxes
Cisco DNA-C 1.3.1.4 - https://sandboxdnac2.cisco.com/
login: devnetuser
password: Cisco123!
Cisco DNA-C 1.3.1.6 - https://sandboxdnac.cisco.com
login: devnetuser
password: Cisco123!
You can also use Cisco SD-WAN sandbox
Cisco SDWAN (v18.3) - https://sandboxsdwan.cisco.com/
login: devnetuser
password: Cisco123!
Looking for inspiration? Check these use cases on DevNet Automation Exchange and open-source projects on DevNet Code Exchange
Available sandboxes by Security category
For example, for firepower API's, check out the DevNet FMC REST API Sandbox with FMC v6.3
Looking for inspiration? Check these Security use cases on DevNet Automation Exchange and open-source projects on DevNet Code Exchange
Available sandboxes by IoT category
Looking for inspiration? Check these use cases on DevNet Automation Exchange and open-source projects on DevNet Code Exchange
Available sandboxes by Telemetry category
Looking for inspiration? Check these use cases on DevNet Automation Exchange
You may find containerising your code and test databases makes it much easier to consistently build and deploy your project, for getting started information with Containerization and Docker, see our Microservices learning lab track:
https://developer.cisco.com/learning/modules/cloud-native-development
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent