Tools and Techniques are aides in a process. The same technique may vary depending on the context. For instance, the diagramming techniques that support one process may be developed and look very different than the diagrams for another process.
Some techniques (alphabetical):
additional quality planning tools, advertising, alternatives analysis, analogous estimating, analytical techniques, assumptions analysis, audits, avoid risk (a strategy for negative risks or threats), benchmarking, bidder conference, checklist analysis, contingent response strategies, cost-benefit analysis, cost of quality, data gathering and representation techniques, design of experiments, diagramming techniques, documentation reviews, expert judgment, independent estimates, information gathering techniques, group decision-making techniques, meetings, modeling techniques, observation, observation and conversation, parametric estimating, procurement negotiations, proposal evaluation techniques, quantitative risk analysis, reserve analysis, risk probability and impact assessment, risk urgency assessment, seven basic quality tools, statistical sampling, strategies for negative risks or threats, strategies for positive risks or opportunities, SWOT analysis, three-point estimating